Symposium on the future of space science and space applications : hearing before the Subcommittee on Science, Technology and Space of the Committee on Commerce, Science, and Transportation, United States Senate, Ninety-fifth Congress, second session ... February 7, 1978.
United States.Congress.Senate.Committee on Commerce, Science, and Transportation.Subcommittee on Science, Technology, and Space.
Washington : U.S. Govt. Print. Off.,
1978.
"Serial no. 95-58."
Space sciences