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KIRKLAND, Douglas W. and robert evans
THE PERMANAENT COUNCIL OF
AMERICAN SOCIETY FOR TESTING AND MATERIALS
The Geological society Of america Bulletin
SEMINAR, On The Use Of Petroleum Products In Transportation and Industry
American petroleum institute
American petroleum institute
American petroleum institute
Direktorat Paten, Dirjen Hak Kekayaan Intelektual, Departemen Hukum dan Hak Asasi Manusia
American Association of Petroleum Geologists
American Association of Petroleum Geologists
Geological Society of America