%0 Book %I U.S. G.P.O. : For sale by the Supt. of Docs., Congressional Sales Office, U.S. G.P.O. %D 1991 %C Washington %G English %B S. hrg. ; %T Renewable and other alternative energy sources : hearing before the Subcommittees on Energy Research and Development, and Mineral Resources Development and Production of the Committee on Energy and Natural Resources, United States Senate, One Hundred First Congress, second session ... Albuquerque, NM, November 1, 1990