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Background due to cosmic protons in gamma-ray telescopes

Edwards, Henry L.
Stanford, Calif. : Stanford University, W.W. Hansen Experimental Physics Laboratory ; [Washington, D.C. : National Aeronautics and Space Administration, 1990] 1990

External tank gamma ray imaging telescope study final review, phase II.

[Denver, Colo.?] : Martin Marietta Manned Space Systems ; [[Washington, D.C. : National Aeronautics and Space Administration, 1988] 1988

Gamma ray astronomy final report, July 13, 1989-January 12, 1991

Paciesas, William Simon, 1947-
Marshall Space Flight Center, Ala. : National Aeronautics and Space Administration, George C. Marshall Space Flight Center ; [Springfield, Va. : National Technical Information Service, distributor, 1991] 1991

Gamma Ray Observatory (GRO) dynamics simulator requirements and mathematical specifications.

Harman, R.
Greenbelt, Md. : National Aeronautics and Space Administration, Goddard Space Flight Center, Flight Dynamics Division, [1990] 1990