Author
Institut geologii i razrabotki gor︠i︡uchikh iskopaemykh (Russia)
Aliev, Musa Mirzoevich
2
Bars, Elena Antonovna
1
Egorova, N. P. (Nadezhda Petrovna)
1
Krylov, N. A. (Nikolaĭ Alekseevich), doktor geol.-min. nauk
1
Ovanesov, Gurgen Pavlovich
1
Soviet Union. Ministerstvo neft︠i︡anoĭ promyshlennosti
1
Zaĭdelʹson, M. I.
1