. . . "Agricultural waste products as alternative energy sources : hearing before the Subcommittee on Agricultural Research and General Legislation of the Committee on Agriculture, Nutrition, and Forestry, United States Senate, Ninety-sixth Congress, second session, March 21, 1980, Tallahassee Fla" . . . . . . . . . . . "Agricultural waste products as alternative energy sources hearing before the Subcommittee on Agricultural Research and General Legislation of the Committee on Agriculture, Nutrition, and Forestry, United States Senate, Ninety-sixth Congress, second session, March 21, 1980, Tallahassee Fla"@en . . . "Agricultural waste products as alternative energy sources hearing before the Subcommittee on Agricultural Research and General Legislation of the Committee on Agriculture, Nutrition, and Forestry, United States Senate, Ninety-sixth Congress, second session, March 21, 1980, Tallahassee, Fla"@en . . . . "Agricultural waste products as alternative energy sources : hearing before the Subcommittee on Agricultural Research and General Legislation of the Committee on Agriculture, Nutrition, and Forestry, United States Senate, ninety-sixth Congress, second session, March 21, 1980"@en . . .