Appropriate technology :
oversight, volume I : joint hearing before the Subcommittee on Energy Development and Applications of the Committee on Science and Technology, U.S. House of Representatives, and the Subcommittee on Energy Conservation and Supply of the Committee on Energy and Natural Resources, U.S. Senate, Ninety-sixth Congress, first session, April 30, 1979.
|Corporate Author:||United States.|
Washington : U.S. Govt. Print. Off., 1979.
v, 231 p. :
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