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Exploatarea petrolului in Romania 1907
Tănăsescu, Ion and Tacit, Virgil; 1907
Die petroleum-industrie Nord-Amerikas in geschichtlicher, wirtschaftliche, geologischer und technischer hinsicht
Höfer von Heimhalt, Hans; 1874
Principles of oil and gas production
Johnson, Roswell H., and Huntley, L. G.; 1916
Practical oil geology
Hager, Dorsey; 1915