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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
The American Chemical Society
American Association of Petroleum Geologists
The American Institute of Physics
American Institute Of Chemical Engineers
Geological Society of India
Paleontological Research Institution
Peterson Publishing CO LTD
The Society of Petroleum Engineers