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The Geological society Of america Bulletin
American petroleum institute
American petroleum institute
Direktorat Paten, Dirjen Hak Kekayaan Intelektual, Departemen Hukum dan Hak Asasi Manusia
The American Chemical Society
American Association of Petroleum Geologists
The American Institute of Physics
Vch Publishers Inc Derfield Bach
American Association of Petroleum Geologists
American Institute Of Chemical Engineers
Blackwell Scientific Publication
Paleontological Research Institution