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NASA and the challenge of ISDN the role of satellites in an ISDN world : final report

[Boulder, Colo.] : The University of Colorado, Center for Space and Geosciences Policy ; [Washington, D.C.] : National Aeronautics and Space Administration, Office of Space Science and Applications, Communications and Information Systems Division, [1988] 1988

Orbital transfer vehicle concept definition and system analysis study contract extension II final re

[Denver, Colo.?] : Martin Marietta ; [Huntsville, Ala.] : NASA//MSFC, [1987] 1987

Report of the LSPI/NASA Workshop on Lunar Base Methodology Development final report : August 26-30,

LSPI/NASA Workshop on Lunar Base Methodology Development (1985 : La Jolla, Calif.)
[Washington, D.C. : National Aeronautics and Space Administration, 1985] 1985