Legal status (The legal status 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 status listed.)
Friedrich Leutwein & E. Krüger: Bodenkunde, l—3 Lehrbriefe. Bergakademie Freiberg, 1956. VEB Deutscher Verlag der Wissenschaften, Berlin. 17 X 23 cm. 198 sider, l kort. 6, 50 DM.