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Scenariusze energetyczne dla Polski
Moncarz, Piotr D., (2012)
Africa's energy potential : hearing before the Subcommittee on Africa of the Committee on International Relations, House of Representatives, One Hundred Sixth Congress, first session, Thursday, March 16, 2000
(2000)
Fracking - die neue Produktionsgeografie
Habrich-Böcker, Christiane, (2014)