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Ropa naftowa i gaz ziemny obszaru postradzieckiego : rola i znaczenie surowców energetycznych w polityce Kremla
Kłaczyński, Robert, (2010)
The UK North Sea Southern basin fiscal system
Kemp, Alexander G., (1988)
Future of independent oil and gas explorers producers: market trends and : hearings before the Subcommittee on Energy, Environment, and Safety Issues Affecting Small Business of the Committee on Small Business, House of Representatives, 99th Congress, 2nd session, Odessa, Tex., April 1, and Abilene, Tex., April 2, 1986
(1986)