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National Science Foundation Conversion Programs, 1971, Hearings Before the Special Subcommittee on National Science Foundation..., 92-1, on S. 32 and S. 1261, October 26 and 27, 1971
United States. Congress. Senate. Labor and Public Welfare
出版1972
URLhttp://books.google.com.hk/books?id=Bhsvtrny8scC&hl=&source=gbs_api
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