Civil Land Remote Sensing Systems: Joint Hearings Before the Subcommittee on Space Science and Applications of the Committee on Science and Technology, U.S. House of Representatives, and the Subcommittee on Science, Technology, and Space of the Committee on Commerce, Science, and Transportation, United States Senate, Ninety-seventh Congress, First Session, July 22, 23, 1981
United States. Congress. House. Committee on Science and Technology. Subcommittee on Space Science and Applications
Jan 1981 · U.S. Government Printing Office