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Hearings Before the Task Force on Science Policy of the Committee on Science and Technology, House of Representatives, Ninety-ninth Congress, First Session, February 28, March 7, 21, 28, April 4, 1985
出版U.S. Government Printing Office, 1986
URLhttp://books.google.com.hk/books?id=pzArAAAAMAAJ&hl=&source=gbs_api
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