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American Association of Petroleum Geologists
Direktorat Paten, Dirjen Hak Kekayaan Intelektual, Departemen Hukum dan Hak Asasi Manusia
The American Chemical Society
The American Chemical Society
The American Institute of Physics
Vch Publishers Inc Derfield Bach
American Association of Petroleum Geologists
Society of Automotive Engineers Inc
Mc.Graw Hill Publishing Company
Society of Economic Paleontologists and Mineralogists
The Society of Petroleum Engineers
American Association Of Petroleum Geologists
Elsevier Scientific Publishing CO
American Association of Petroleum Geologists