ZA79905B
(en )
1980-03-26
In situ oil shale retorting
ZA771186B
(en )
1978-09-27
Coal oil mixtures
JPS5364205A
(en )
1978-06-08
Conversion of hydrocarbons
ZA785507B
(en )
1979-10-31
In situ oil shale retorting
AU3523078A
(en )
1979-10-25
In situ oil shale retort
CA1036066A
(en )
1978-08-08
Retorting of oil shale
BR7901994A
(en )
1979-11-27
RETORTING IN SITU OF OIL SHALE
AU513591B2
(en )
1980-12-11
Coal/oil slurry stability
AU5286579A
(en )
1981-05-21
Shale oil retorting
ZA785262B
(en )
1979-08-29
In situ recovery of shale oil
ZA761662B
(en )
1977-03-30
Improvements relating to the retorting of oil shale
ZA761661B
(en )
1977-03-30
Improvements relating to the retorting of oil shale
ZA761660B
(en )
1977-03-30
Improvements relating to the retorting of oil shale
ZA761657B
(en )
1977-03-30
Improvements relating to the retorting of oil shale
ZA761658B
(en )
1977-03-30
Improvements relating to the retorting of oil shale
ZA764823B
(en )
1977-07-27
Improvements relating to the retorting of oil shale
ZA79602B
(en )
1980-03-26
In situ oil shale retorting
ZA764707B
(en )
1977-07-27
Improvements relating to the retorting of oil shale
JPS52144008A
(en )
1977-12-01
Mineral oil composition
JPS53124511A
(en )
1978-10-31
Recovery of residuum of crude oil
ZA785418B
(en )
1979-08-29
In situ oil shale retort
ZA762737B
(en )
1977-04-27
Shale oil composition
CA1034869A
(en )
1978-07-18
Retorting of oil shale
JPS5380062A
(en )
1978-07-15
Recovery of floating oil
JPS52103673A
(en )
1977-08-31
Oil dashhpot