Soviet space programs 1966-70: goals and purposes, organization, resources, facilities and hardware, manned and unmanned flight programs, bioastronautics, civil and military applications, projections of future plans, attitudes toward international cooperation and space law. Staff report prepared for the use of the Committee on Aeronautical and Space Sciences United States Senate
États-Unis Congress, Committee on aeronautical and space sciences | U.S. Government Printing Office | 1971