Intensivnaja podgotovka i otrabotka šachtnogo polja : sbornik naučnych trudov
1990
146 S
In kyrill. Schr
Book
Microform
Russian
Catalogue agriculture | Nr. 67.1973 - 83.1977; [N.S.] 1=84.1978 - 20=103.1982; 104.1983 - 128.1989; damit Ersch. eingest.