Context

Context of The Conversion Research and Education Act of 1971, H.R. 34 : hearings before the Subcommittee on Science, Research, and Development of the Committee on Science and Astronautics, U.S. House of Representatives, Ninety-second Congress, first session, June 22, 23, 24; July 13, 14, 15; August 5, and 6, 1971
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