Alternative energy technologies : hearing before the Subcommittee on Technology, Innovation, and Competitiveness of the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Ninth Congress, second session, June 14, 2006.
Imprint
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 20116.