International space activities : hearings before the Subcommittee on Space Science and Applications of the Committee on Science and Technology, U.S. House of Representatives, Ninety-fifth Congress, second session, May 16, 17, 18, 1978.
United States.Congress.House.Committee on Science and Technology.Subcommittee on Space Science and Applications.
Washington : U.S. Govt. Print. Off.,
1978.
"No. 74."
Astronautics
Astronautics