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1972, National Science Foundation Authorization, Hearings Before the Subcommittee on Science, Research and Development, and the Committee...92-1, on H.R. 4743, Feb. 25; March 5, 23-26, 30; April 6, 7, 1971
United States. Congress. House. Science and Astronautics
出版1971
URLhttp://books.google.com.hk/books?id=5VQVAAAAIAAJ&hl=&source=gbs_api
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