Author
Sovet po izucheni︠i︡u proizvoditelʹnykh sil (Soviet Union)
33
University of Arizona. Arid Lands Natural Resources Committee
26
Institut geografii (Akademi︠i︡a nauk SSSR)
18
International Union for Conservation of Nature and Natural Resources
15
Library of Congress. Federal Research Division
14
Institut geografii Sibiri i Dalʹnego Vostoka (Akademi︠i︡a nauk SSSR)
11
Tikhookeanskiĭ institut geografii (Akademi︠i︡a nauk SSSR)
10
︠T︡Sentralʹnyĭ ėkonomiko-matematicheskiĭ institut (Akademi︠i︡a nauk SSSR)
10
Geograficheskoe obshchestvo SSSR. Moskovskiĭ filial
9
Southern Nigeria. Forestry Dept
8
Akademi︠i︡a nauk SSSR. Vostochno-Sibirskiĭ filial
7
Akademi︠i︡a nauk SSSR
6
Ferguson, N. (Nancy), 1944-
6
Geograficheskoe obshchestvo SSSR
6
Geograficheskoe obshchestvo SSSR. Novosibirskiĭ otdel
6
Gerasimov, I. P. (Innokentiĭ Petrovich), 1905-
6
Litovka, Oleg Petrovich
6
Matlock W. G.
6
Sovetskiĭ komitet po programme ︠I︡UNESKO Chelovek i biosfera
6
United States. Indian Claims Commission
6
Fersman, Aleksandr Evgenʹevich, 1883-1945
5
Geological Survey of Nigeria
5
Gurman, V. I.
5
Institut ėkonomiki i organiza︠t︡sii promyshlennogo proizvodstva (Akademi︠i︡a nauk SSSR)
5
Matveev, N. P. (Nikolaĭ Petrovich)
5
Mkrtch︠i︡an, G. M. (Gagik Mkrtichevich)
5
Nigeria. Land Dept
5
Pospelov, E. M. (Evgeniĭ Mikhaĭlovich)
5
Québec (Province). Dept. of Mines
5
Québec (Province). Dept. of Natural Resources
5
Raeburn, Colin
5
Southern Nigeria. Agricultural Dept
5
United States. Dept. of the Interior
5
Arnould, Eric J.
4
Canada. Dept. of Agriculture
4
Chitinskiĭ institut prirodnykh resursov
4
Civilian Conservation Corps (U.S.). Company 1709 (Ames, Iowa)
4
Civilian Conservation Corps (U.S.). Company 729
4
Civilian Conservation Corps (U.S.). Company 730
4
Civilian Conservation Corps (U.S.). Company 762 (Custer, S.D)
4
Curtis, Glenn E. (Glenn Eldon), 1946-
4
Drozdov, S. N.
4
Florida. State Board of Conservation
4
Gofman, K. G. (Konstantin Georgievich)
4
Göteborgs universitet
4
Institut geografii (Akademi︠i︡a nauk SSSR. Sibirskoe otdelenie)
4
Institut ėkonomicheskikh issledovaniĭ (Akademi︠i︡a nauk SSSR)
4
Institut ėkonomiki (Akademi︠i︡a nauk SSSR)
4
Lemeshev, M. ︠I︡A. (Mikhail ︠I︡Akovlevich)
4
McCullough, James Michael, 1943-
4
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