Space Communications and Allocation of Radio Spectrum: Hearings Before the Communications Subcommittee of the Committee on Commerce, United States Senate, Eighty-seventh Congress, First Session on Space Communications and S.J. Res. 32 ... August 1, 23, and 24, 1961
United States. Congress. Senate. Commerce
1961 оны 1-р сар · U.S. Government Printing Office