Author
Petrov, V. P. (Valeriĭ Petrovich), 1908-
2
Pieters, Honoré Alphonse Joseph
2
Technische Hogeschool Delft
2
Akwilapo, Leonard Douglas
1
Altebäumer, Franz Josef, 1950-
1
Chekin, Sergeĭ Sergeevich
1
Diethelm, Rüdiger A.
1
Ethniko Metsovio Polytechneio (Greece)
1
Gmira, Abderrazzak
1
International Geological Congress Prague, Czechoslovakia
1
Keyser, Walther de
1
Komiōtos, Marias
1
Na︠t︡sionalʹnyĭ komitet geologov Sovetskogo So︠i︡uza
1
Norges teknisk-naturvitenskapelige universitet
1
Rheinisch-Westfälische Technische Hochschule Aachen
1
Rijksuniversiteit te Gent
1
Shcherbov, B. L. (Boris Leonidovich)
1
Solotchina, Ė. P. (Ėmili︠i︡a Pavlovna)
1
Sukhorukov, F. V.
1
Universität Kiel
1