. . . . . . . "Rising oil prices and dependence on hostile regimes the urgent case for Canadian oil : hearing before the Subcommittee on the Western Hemisphere of the Committee on Foreign Affairs, House of Representatives, One Hundred Twelfth Congress, first session, March 31, 2011"@en . "Rising oil prices and dependence on hostile regimes : the urgent case for Canadian oil : hearing before the Subcommittee on the Western Hemisphere of the Committee on Foreign Affairs, House of Representatives, One Hundred Twelfth Congress, first session, March 31, 2011"@en . . . . . . . . . . . . . . . . . . . . . . .