Appropriate Technology: Hearings Before the Subcommittee on Domestic and International Scientific Planning, Analysis, and Cooperation, of the Committee on Science and Technology, U.S. House of Representatives, Ninety-fifth Congress, Second Session, July 25, 26, 27, 1978
United States. Congress. House. Committee on Science and Technology. Subcommittee on Domestic and International Scientific Planning, Analysis, and Cooperation
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