Energy security : historical perspectives and modern challenges : hearing before the Committee on Foreign Relations, United States Senate, One Hundred Eleventh Congress, first session, May 12, 2009.
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2009.
iii, 41 pages ; 24 cm.
United States. Congress. Senate. S. hrg. ; 111-78.
Shipping list no.: 2009-0461-P.
Also available via the Internet from the GPO Access website.