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The Threat and the Opportunity of Asteroids and Other Near-earth Objects
United States. Congress. House. Committee on Science. Subcommittee on Space and Aeronautics
其他書名
Hearing Before the Subcommittee on Space and Aeronautics of the Committee on Science, U.S. House of Representatives, One Hundred Fifth Congress, Second Session, May 21, 1998
出版U.S. Government Printing Office, 1998
主題Science / Space Science / Astronomy
ISBN016057837X9780160578373
URLhttp://books.google.com.hk/books?id=gXAXqLGWxxcC&hl=&source=gbs_api
EBookFULL_PUBLIC_DOMAIN