Author
Australia. Bureau of Mineral Resources, Geology and Geophysics
18
Geological Survey of India
13
Geological Survey of New South Wales
8
Institutul Geologic (Romania)
8
Institutul de Geologie si Geofizică
8
Twelvetrees, W. H. (William Harper), 1848-1919
8
Geological Survey of Canada
7
Chishitsu Chōsajo (Japan)
5
Institut geologii i geofiziki (Akademi︠i︡a nauk SSSR)
5
Université de Paris
5
Blake, D. H., fl. 1967-
4
Geological Survey (U.S.)
4
Geological Survey of Pakistan
4
Hills, Loftus
4
Institut geologii i razrabotki gor︠i︡uchikh iskopaemykh (Russia)
4
Malaysia. Jabatan Penyiasatan Kajibumi
4
Nong shang bu di zhi diao cha suo (China)
4
Pusat Penelitian dan Pengembangan Geologi (Indonesia)
4
Baden-Württemberg (Germany). Geologisches Landesamt
3
Belford, D. J. (Denis J.)
3
Dow, D. B.
3
Exon, N. F.
3
Geological Survey (South Africa)
3
Guo li Beiping yan jiu yuan. Di zhi xue yan jiu suo
3
Helsingin yliopisto
3
Instituto Geográfico e Geológico (São Paulo, Brazil)
3
Instytut Geologiczny (Poland)
3
Leaman, D. E.
3
Lembaga Ilmu Pengetahuan Indonesia
3
North Carolina. State Geologist
3
Oulun yliopisto
3
Państwowy Instytut Geologiczny (Poland)
3
Pusat Penelitian dan Pengembangan Geoteknologi (Indonesia)
3
Romania. Comitetul Geologic
3
Saks, Vladimir Nikolaevich, 1911-
3
Vseso︠i︡uznyĭ nauchno-issledovatelʹskiĭ geologicheskiĭ institut (Soviet Union)
3
Zhong yang di zhi diao cha suo (China)
3
Bradford, Ernest Frederick
2
Brazil. Divisão de Geologia e Mineralogia
2
Brazil. Serviço Geológico e Mineralógico
2
Centre national de la recherche scientifique (France). Centre de documentation
2
Ceylon. Geological Survey
2
Chishitsu Ch̄osajo (Japan)
2
Dickins, J. M. (James MacGregor)
2
Druce, E. C. (Edric Charles)
2
Ebner, Fritz, 1946-
2
Eesti NSV Teaduste Akadeemia
2
Emmons, Ebenezer, 1799-1863
2
Forman, D. J. (David John)
2
Geological Survey of Alabama
2
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