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Report of the Advisory Committee on the Future of the U.S. Space Program
United States. Advisory Committee on the Future of the U.S. Space Program
出版
U.S. National Aeronautics and Space Administration
, 1990
URL
http://books.google.com.hk/books?id=PRz92NHHyU4C&hl=&source=gbs_api
EBook
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