WO1998033348A2 - System and procedure for creating a location dependent identity for a mobile terminal in a mobile communication network by using a data adapter - Google Patents

System and procedure for creating a location dependent identity for a mobile terminal in a mobile communication network by using a data adapter Download PDF

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Publication number
WO1998033348A2
WO1998033348A2 PCT/FI1998/000081 FI9800081W WO9833348A2 WO 1998033348 A2 WO1998033348 A2 WO 1998033348A2 FI 9800081 W FI9800081 W FI 9800081W WO 9833348 A2 WO9833348 A2 WO 9833348A2
Authority
WO
WIPO (PCT)
Prior art keywords
information
item
mobile terminal
data adapter
identity
Prior art date
Application number
PCT/FI1998/000081
Other languages
Finnish (fi)
French (fr)
Other versions
WO1998033348A3 (en
Inventor
Tuomo Hokkanen
Hans Thiger
Original Assignee
Telecom Finland Oy
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Telecom Finland Oy filed Critical Telecom Finland Oy
Priority to AU58660/98A priority Critical patent/AU5866098A/en
Publication of WO1998033348A2 publication Critical patent/WO1998033348A2/en
Publication of WO1998033348A3 publication Critical patent/WO1998033348A3/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/26—Network addressing or numbering for mobility support
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/029—Location-based management or tracking services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/16—Interfaces between hierarchically similar devices
    • H04W92/18—Interfaces between hierarchically similar devices between terminal devices

Definitions

  • the present invention relates to a new type 5 of system and procedure for creating a location dependent identity for a mobile terminal in a mobile communication network by using a data adapter.
  • the invention relates to restricting the mobility of a mobile terminal in a mobile
  • GSM Global System for Mobile Communications
  • SIM Subscriber Identity Module
  • the SIM card is inserted into the card reader in a first position, i.e. with its first end foremost, thereby activating IMSI1 for use.
  • IMSI2 can be activated by inserting the SIM card into the card reader in a second position,
  • the mobile station is provided with a selector switch for the selection of IMSI1 or IMSI2.
  • the desired identity is activated in conjunction with the input of a PIN (Personal Identity Number) code verifying the user's rights regarding the use of services.
  • PIN Personal Identity Number
  • the identity module inserted into the second reader supersedes the identi- fying data of the previous identity module and the person identified as the user of the mobile station will be the person who inserted this second identity module.
  • a mobile station can be used with more than one storage modules, i.e. data cards, removably placed in it.
  • the data processor of the mobile station uses the card readers in a predetermined order and the card readers receive a corresponding number of storage modules, i.e. SIM cards. Individual card readers can receive data cards of different physical sizes.
  • the predetermined order can be automatically modified when a card reader is removed or installed. The user can also change the order at will e.g. via a menu option.
  • Previously known is also a data adapter- mobile station assembly substantially permanent in location or only movable within a predetermined area, a definition of location being comprised in the IMSI information on the SIM card of the data adapter.
  • Refe- rence is made to specification FI955242, according to which a mobile station with a separate SIM card for user identification is connected to a data adapter also containing a separate SIM card.
  • both SIM cards are provided with individual IMSI data.
  • the mobile station contains a SIM2 card with IMSI2 data stored on it while the data adapter contains a SIM1 card with IMSI1 data stored on it.
  • SIM2 When the mobile station is connected to the data adapter, the SIM card (SIM2) in the mobile station is deactivated and the SIM card (SIM1) in the card reader of the data adapter is activated and a data transmis- sion path is set up between the SIM cards in the mobile station and data adapter and IMSI codes assigned to the same subscriber are chained.
  • a specific object of the present invention is to disclose a new type of system and procedure for creating a location dependent identity for a mobile terminal in a mobile communication network by using a data adapter, without provi- ding the data adapter with a separate identity or storage module, i.e. SIM card.
  • a further object of the invention is to prevent the possibility of a data adapter being used with any mobile station having a SIM card.
  • the data adapter can only be used with one particular SIM card, thus considerably reducing the risk of abuse of the data adapter.
  • the starting point of the invention is that location dependent IMSI information is stored in the identity or storage module of a mobile terminal in a mobile communication network and that, to read said information, CHV (Card Holder Verification) information associated with the IMSI information and verifying the user's right to use the service as is known in the art, i.e. normally a PIN code, is needed.
  • CHV Card Holder Verification
  • the basic idea of the invention is that the CHV information associated with the IMSI is generated using a mathematical algorithm on the basis of a first item of information read from the data adapter and a second item of information supplied by the user of the mobile termi- nal via the user interface.
  • the mobile terminal comprises, as is known in the art, first media for receiving information and the data adapter comprises second media for storing information.
  • the system comprises a data bus for the transmission of information between said- first and second media as well as means for the processing of information.
  • the mobile terminal which has a selectively activated, location dependent IMSI1 file fitted on its identity or storage module to allow user identification based on CHV1 information, is connected to a data adapter substantially permanent in location or movable only within a predetermined area.
  • a first item of CHVX information verifying the mobile terminal user's right to use the service is fitted into the data adapter, the first item of CHVX information fitted in the data adapter is read into the mobile terminal via a data bus activated between the data adapter and the mobile terminal, a third item of CHV1 information is generated by the information processing means in the mobile terminal on the basis of the first item of CHVX information read from the data adapter and a second item of CHV2 information verifying the mobile terminal user's right to use the service and supplied by the mobile terminal user via a user interface, and, based on said third item of CHV1 information, the location dependent IMSI1 file in the identity or storage module of the mobile terminal is opened, whereupon the IMSI1 code in the VLR (Visitor Location Register) of the GSM network is updated.
  • VLR Visitor Location Register
  • the invention affords the advantage that, in the system of the invention, items of information received from two different sources can be processed to generate a third item of information and, further, to open a location dependent IMSI file in an identity or storage module.
  • a further advantage of the present invention as compared with prior art is that a location dependent identity can be created for the user of a mobile terminal in a telecommunication network without having to provide the data adapter with a separate identity or storage module. In this way, the mobile terminal user can be offered a local-subscriber type service in the telecommu- nication network, associated with a certain SIM card and location, a service that is safer and can be provided more cost-effectively than before.
  • Fig. 1 presents a mobile terminal in a telecommunication network, disconnected from the data adapter, in which case the terminal is normally used as a mobile telephone.
  • Fig. 2 presents a mobile terminal in a telecommunication network, connected to a data adapter substantially permanent in location or only movable within a predetermined area, the use of the combination being restricted to a certain area.
  • a mobile terminal 1 in a mobile communication network 9 is used as a normal mobile station.
  • a data adapter 2 which comprises media 4 for the storage of information.
  • the media 4 comprised in the data adapter are preferably intended for the storage of information associated with a certain identity or storage module and verifying the user's right to use the service.
  • the user supplies via the user interface of the mobile terminal an item of CHV2 infor- mation 7 verifying his/her right to use the service, whereupon, based on the CHV2 code, the IMSI2 file on the SIM card of the mobile terminal, associated with said code, is opened and, further, the IMSI2 code 11 in the VLR register device 10 of the mobile communica- tion network 9 is activated.
  • Fig. 2 illustrates a preferred embodiment of the system and procedure of the invention.
  • a mobile terminal 1 in a mobile communication network 9 is connected to a data adapter 2.
  • Fitted on media 4 com- prised in the data adapter is an item of CHVX information 4' verifying the user's right to use the service.
  • a data bus 5 between the data adapter and the terminal is automatically activated and the CHVX information is read via this data bus from the data adapter into media 3 for receiving information, comprised in the mobile terminal.
  • a third item of information i.e. CHV1 information 8 is calculated using a mathematical algorithm by processing means 6 provided in the mobile terminal 1, and, based on this third item of information, the IMSI1 file associated with the CHV1 information in the identity or storage module of the mobile terminal in the mobile communication network is opened and the IMSI1 code 12 is activated in the VLR register device 10 of the mobile communication network 9.
  • the information processing means 6 referred to above comprise a mathematical algorithm F(CHVX,
  • the assembly formed by the mobile terminal 1 and the data adapter 2 can only be used with a certain identity or storage module because the reading of the CHV1 information is dependent on certain other items of information CHVX and CHV2.
  • the IMSI1 file opened in the identity or storage module on the basis of the CHV1 information contains data defining the location. In this way, it is possible to offer the user of a mobile terminal 1 in a mobile communication network 9 a local -subscriber type service, which may involve different pricing and separate invoicing.

Abstract

The present invention relates to a system and procedure for creating a location dependent identity for a mobile terminal (1) in a mobile communication network (9) by using a data adapter (2). According to the invention, a third item of information (8) needed to open the IMSI file in the subscriber identity module of the mobile terminal and verifying the user's right to use the service is calculated using a mathematical algorithm on the basis of a first item of information (4') read from the data adapter and a second item of information (7) supplied via a user interface by the user of the mobile terminal. The invention allows a safer local-subscriber type service to be provided more cost-effectively than before by means of a data adapter without a need for a separate identity or storage module in the data adapter.

Description

SYSTEM AND METHOD FOR PRODUCING A LOCAL DEPENDENT IDENTITY FOR THE MOBILE STAΗON IN THE MOBILE NETWORK BY THE MEANS OF TELECOMMUNICATION ADAPTER
The present invention relates to a new type 5 of system and procedure for creating a location dependent identity for a mobile terminal in a mobile communication network by using a data adapter.
Generally, the invention relates to restricting the mobility of a mobile terminal in a mobile
10 communication network and especially to providing a local-subscriber type service associated with a given identity or storage module in a mobile communication network by using a data adapter.
In prior art, in almost all mobile communica-
15 tion networks serving card-controlled mobile stations, such as GSM (Global System for Mobile Communications) networks, the user of a mobile station is identified by means of an identity or storage module, i.e. a SIM (Subscriber Identity Module) card or equivalent inser-
20 ted into the mobile station.
It is known in prior art that a single identity module can be provided with two sets of data for identifying the user and defining his/her rights regarding the use of services. Reference is made to the
25 solution presented in specification SE467559, according to which the SIM card of a GSM telephone contains two IMSI (International Mobile Subscriber Identification) files IMSII and IMSI2, of which the user can activate either one by turning the card. According to
30 the specification, the SIM card is inserted into the card reader in a first position, i.e. with its first end foremost, thereby activating IMSI1 for use. Correspondingly, IMSI2 can be activated by inserting the SIM card into the card reader in a second position,
35 i.e. with its second end foremost. Alternatively, the mobile station is provided with a selector switch for the selection of IMSI1 or IMSI2. Further, the desired identity is activated in conjunction with the input of a PIN (Personal Identity Number) code verifying the user's rights regarding the use of services. There is also a prior-art solution in which it is possible to use a second identity module besides an identity module already inserted into it or already present in it, in which case the identity module inserted into the second reader supersedes the identi- fying data of the previous identity module and the person identified as the user of the mobile station will be the person who inserted this second identity module. Reference is made to the solution presented in specification GB 2269512, in which a mobile station can be used with more than one storage modules, i.e. data cards, removably placed in it. In this case, the data processor of the mobile station uses the card readers in a predetermined order and the card readers receive a corresponding number of storage modules, i.e. SIM cards. Individual card readers can receive data cards of different physical sizes. The predetermined order can be automatically modified when a card reader is removed or installed. The user can also change the order at will e.g. via a menu option. Previously known is also a data adapter- mobile station assembly substantially permanent in location or only movable within a predetermined area, a definition of location being comprised in the IMSI information on the SIM card of the data adapter. Refe- rence is made to specification FI955242, according to which a mobile station with a separate SIM card for user identification is connected to a data adapter also containing a separate SIM card. In this solution, both SIM cards are provided with individual IMSI data. In this case, the mobile station contains a SIM2 card with IMSI2 data stored on it while the data adapter contains a SIM1 card with IMSI1 data stored on it. When the mobile station is connected to the data adapter, the SIM card (SIM2) in the mobile station is deactivated and the SIM card (SIM1) in the card reader of the data adapter is activated and a data transmis- sion path is set up between the SIM cards in the mobile station and data adapter and IMSI codes assigned to the same subscriber are chained.
A problem with the above-described solution, in which a separate SIM card is needed both in the mo- bile station and in the data adapter, is that in principle any mobile station with a SIM card can be used with the data adapter because the mobile station-data adapter assembly is not associated with a given SIM card in any manner, i.e. the data adapter will accept any SIM card. This is naturally a safety risk because someone may connect his/her own mobile station to another person's data adapter and make calls at the latter ' s expense as the calls are registered against the IMSI of the SIM card in the data adapter. Another problem is that fitting a separate SIM card in the data adapter involves extra costs. A further problem is that the SIM card in the card reader of the data adapter can easily be stolen.
The object of the present invention is to solve the problems described above. A specific object of the present invention is to disclose a new type of system and procedure for creating a location dependent identity for a mobile terminal in a mobile communication network by using a data adapter, without provi- ding the data adapter with a separate identity or storage module, i.e. SIM card.
A further object of the invention is to prevent the possibility of a data adapter being used with any mobile station having a SIM card. In other words, in the system and procedure of the invention, the data adapter can only be used with one particular SIM card, thus considerably reducing the risk of abuse of the data adapter.
These objects are achieved by the system and procedure of the invention. As for the features cha- racteristic of the system and procedure, reference is made to the claims presented below.
The starting point of the invention is that location dependent IMSI information is stored in the identity or storage module of a mobile terminal in a mobile communication network and that, to read said information, CHV (Card Holder Verification) information associated with the IMSI information and verifying the user's right to use the service as is known in the art, i.e. normally a PIN code, is needed. The basic idea of the invention is that the CHV information associated with the IMSI is generated using a mathematical algorithm on the basis of a first item of information read from the data adapter and a second item of information supplied by the user of the mobile termi- nal via the user interface.
In a preferred embodiment of the system of the present invention, the mobile terminal comprises, as is known in the art, first media for receiving information and the data adapter comprises second media for storing information. According to the invention, the system comprises a data bus for the transmission of information between said- first and second media as well as means for the processing of information.
In an embodiment of the procedure of the pre- sent invention, the mobile terminal, which has a selectively activated, location dependent IMSI1 file fitted on its identity or storage module to allow user identification based on CHV1 information, is connected to a data adapter substantially permanent in location or movable only within a predetermined area. According to the invention, a first item of CHVX information verifying the mobile terminal user's right to use the service is fitted into the data adapter, the first item of CHVX information fitted in the data adapter is read into the mobile terminal via a data bus activated between the data adapter and the mobile terminal, a third item of CHV1 information is generated by the information processing means in the mobile terminal on the basis of the first item of CHVX information read from the data adapter and a second item of CHV2 information verifying the mobile terminal user's right to use the service and supplied by the mobile terminal user via a user interface, and, based on said third item of CHV1 information, the location dependent IMSI1 file in the identity or storage module of the mobile terminal is opened, whereupon the IMSI1 code in the VLR (Visitor Location Register) of the GSM network is updated.
As compared with prior art, the invention affords the advantage that, in the system of the invention, items of information received from two different sources can be processed to generate a third item of information and, further, to open a location dependent IMSI file in an identity or storage module. A further advantage of the present invention as compared with prior art is that a location dependent identity can be created for the user of a mobile terminal in a telecommunication network without having to provide the data adapter with a separate identity or storage module. In this way, the mobile terminal user can be offered a local-subscriber type service in the telecommu- nication network, associated with a certain SIM card and location, a service that is safer and can be provided more cost-effectively than before.
In the following, the invention will be described in detail by the aid of a preferred embodi- ment associated with the GSM system, by referring to the attached drawings. Fig. 1 presents a mobile terminal in a telecommunication network, disconnected from the data adapter, in which case the terminal is normally used as a mobile telephone. Fig. 2 presents a mobile terminal in a telecommunication network, connected to a data adapter substantially permanent in location or only movable within a predetermined area, the use of the combination being restricted to a certain area. In Fig. 1, a mobile terminal 1 in a mobile communication network 9 is used as a normal mobile station. Beside the mobile terminal there is a data adapter 2, which comprises media 4 for the storage of information. The media 4 comprised in the data adapter are preferably intended for the storage of information associated with a certain identity or storage module and verifying the user's right to use the service.
In Fig. 1, the user supplies via the user interface of the mobile terminal an item of CHV2 infor- mation 7 verifying his/her right to use the service, whereupon, based on the CHV2 code, the IMSI2 file on the SIM card of the mobile terminal, associated with said code, is opened and, further, the IMSI2 code 11 in the VLR register device 10 of the mobile communica- tion network 9 is activated.
Fig. 2 illustrates a preferred embodiment of the system and procedure of the invention. A mobile terminal 1 in a mobile communication network 9 is connected to a data adapter 2. Fitted on media 4 com- prised in the data adapter is an item of CHVX information 4' verifying the user's right to use the service. According to the invention, after the user of the mobile terminal has connected the terminal to the data adapter, a data bus 5 between the data adapter and the terminal is automatically activated and the CHVX information is read via this data bus from the data adapter into media 3 for receiving information, comprised in the mobile terminal.
Next, from the first item of information, i.e. the CHVX information 4' read from the data adap- ter 2, and from the second item of information, i.e. the CHV2 information 7 supplied by the mobile terminal user via the user interface, a third item of information, i.e. CHV1 information 8 is calculated using a mathematical algorithm by processing means 6 provided in the mobile terminal 1, and, based on this third item of information, the IMSI1 file associated with the CHV1 information in the identity or storage module of the mobile terminal in the mobile communication network is opened and the IMSI1 code 12 is activated in the VLR register device 10 of the mobile communication network 9.
The information processing means 6 referred to above comprise a mathematical algorithm F(CHVX,
CHV2) , which calculates the third item of information, i.e. the CHV1 information, from the equation CHV1 =
F(CHVX, CHV2) , where
CHV1 = third item of information 8 CHVX - first item of information 4 ' , fitted into the data adapter, and CHV2 = second item of information 7, supplied by the mobile terminal user via the user interface.
Further, it should- be pointed out here that, according to the basic idea of the invention, the assembly formed by the mobile terminal 1 and the data adapter 2 can only be used with a certain identity or storage module because the reading of the CHV1 information is dependent on certain other items of information CHVX and CHV2.
In addition, it is to be noted that the IMSI1 file opened in the identity or storage module on the basis of the CHV1 information contains data defining the location. In this way, it is possible to offer the user of a mobile terminal 1 in a mobile communication network 9 a local -subscriber type service, which may involve different pricing and separate invoicing.
The invention has been described above by on- ly referring to a preferred embodiment related to the GSM network. This is not to be regarded as restricting the scope of protection of the invention, but it is obvious to a person skilled in the art that different variations are possible within the scope of protection defined by the claims.

Claims

1. System for creating a location dependent identity for a mobile terminal (1) in a mobile communication network (9) by using a data adapter (2) , in which system the mobile terminal comprises first media (3) for receiving information and the data adapter comprises second media (4) for storing information, charac t e ri sed in that the system comprises a data bus (5) for the transmission of in- formation between said first and second media, and information processing means (6) for the processing of information.
2. System as defined in claim 1, c h a r a c t e r i s e d in that said data bus (5) has been fitted to be activated for automatically transmitting a first item of information (4') from the media (4) comprised in the data adapter (2) into the media (3) comprised in the mobile terminal (1) when the mobile terminal is connected to the data adapter.
3. System as defined in claim 1 or 2, c h a r a c t e r i s e d in that the information processing means (6) have been fitted for the processing of the first item of information (4') read from the data adapter (2) into the mobile terminal (1) and the se- cond item of information (7) supplied via a user interface by the user of the mobile terminal (1) .
4. System as defined in any one of claims 1 -
3, charac teri s ed in that the information processing means (6) have been fitted to process the first item of information (4') read from the data adapter (2) and the second item of information (7) supplied via the user interface by the user of the mobile terminal (1) in order to open at least one IMSI file in the identity or storage module.
5. System as defined in any one of claims 1 -
4, c ha ra c t e r i s e d in that the information processing means (6) comprise a mathematical algorithm for the calculation of a third item of information (8) from the first item of information (4') and the second item of information (7) .
6. System as defined in any one of claims 1 -
5, charac t e ri sed in that the information processing means comprise a mathematical algorithm F(CHVX, CHV2) for calculating the third item of information (8) from the equation CHV1 = F(CHVX, CHV2), where
CHV1 = third item of information (8) CHVX = first item of information (4'), fitted in the data adapter, and
CHV2 = second item of information (7) , supp- lied by the mobile terminal user via the user interface .
7. Procedure for creating a location dependent identity for a mobile terminal (1) in a mobile communication network (9) by using a data adapter (2), in which procedure the mobile terminal, whose identity or storage module contains at least one selectively activated, location dependent international mobile subscriber identity code IMSI fitted in it for user identification, is connected to a data adapter sub- stantially permanent in location or only movable within a predetermined area, charact eri sed in that a first item of information (4') is read into media (4) comprised in the data adapter, the item of information (4') fitted in the data adapter is read from the data adapter into the mobile terminal via a data bus activated between the data adapter (2) and the mobile terminal (1) , a third item of information (8) is generated by information processing means (6) in the mobile terminal (1) on the basis of the first item of information (4 ' ) read from the data adapter and a second item of information (7) supplied by the mobile terminal user via a user interface, and based on said third item of information (8), a location dependent IMSI file in the identity or sto- rage module of the mobile terminal is opened, whereupon the IMSI code (12) is activated in the VLR register device (10) of the mobile communication network (9) .
8. Procedure as defined in claim 7, c h a - ract eri s ed in that the identity or storage module specific first item of information (4 ' ) is fitted into the data adapter (2) for the verification of the card holder's right to use the service.
9. Procedure as defined in claim 7 or 8, charac t eri s ed in that, using a mathematical algorithm, the third item of information (8) is generated from the first item of information (4') and the second item of information (7) by the information processing means (6) in the mobile terminal (1) to open the IMSI file in the identity or storage module of the mobile terminal .
10. Procedure as defined in any one of claims 7 - 9, charac t e r i sed in that, by means of the information processing means (6) , the third item of information (8) is calculated using a mathematical algorithm F(CHVX, CHV2) from the equation CHV1 = F(CHVX, CHV2) , where-
CHV1 = third item of information (8) CHVX = first item of information (4'), fitted in the data adapter, and
CHV2 = second item of information (7) , supplied by the mobile terminal user via the user interface .
PCT/FI1998/000081 1997-01-28 1998-01-27 System and procedure for creating a location dependent identity for a mobile terminal in a mobile communication network by using a data adapter WO1998033348A2 (en)

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Application Number Priority Date Filing Date Title
AU58660/98A AU5866098A (en) 1997-01-28 1998-01-27 System and method for producing a local dependent identity for the mobile station in the mobile network by the means of telecommunication adapter

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI970359 1997-01-28
FI970359A FI104396B (en) 1997-01-28 1997-01-28 A system and method for generating a location-based identity for a mobile terminal in a mobile network by means of a telecommunications terminal adapter

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WO1998033348A2 true WO1998033348A2 (en) 1998-07-30
WO1998033348A3 WO1998033348A3 (en) 1998-11-12

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FI104396B (en) 2000-01-14
FI970359A0 (en) 1997-01-28
WO1998033348A3 (en) 1998-11-12
FI970359A (en) 1998-07-29
AU5866098A (en) 1998-08-18

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