European and Eurasian energy [electronic resource] : developing capabilities for security and prosperity : hearing before the Subcommittee on Europe and Eurasia of the Committee on Foreign Affairs, House of Representatives, One Hundred Twelfth Congress, first session, June 2, 2011.
Imprint
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2011.