"August 1988""GAO/IMTEC-88-7""B-205335"--p.[1]Cover title.Mode of access: Internet
"March 1991"Cover title."B-242779"--p.1."GAO/NSIAD-91-2"Mode of access: Internet
"B-253431"--P. 1."GAO/IMTEC-93-31.""June 1993."Cover title.Mode of access: Internet
"July 1991"Cover title."B-244274"--p.1."GAO/NSIAD-91-172"Mode of access: Internet
"August 1989."Cover title."B-224148"--p. 1."GAO/IMTEC-89-56."Mode of access: Internet
"B-237585" = p [1]"GAO/IMTEC-90-1"Cover title."March 1990."Mode of access: Internet
"B-234056"--P. 1."GAO/IMTEC-89-41.""April 1989."Running title: NASA spacecraft communications.Cover ...
B-223785"--P. [1]."GAO/NSIAD-89-89."Cover title."May 1989."Mode of access: Internet
"GAO/NSIAD-88-190""July 1988""B-206613"--p.1.Cover title.Mode of access: Internet
"B-239284"--p.1."B-234056"--P. 1."May 1990"Cover title."GAO/IMTEC-90-56"Mode of access: Internet
"B-237832"--P. [1]"GAO/IMTEC-90-18.""April 1990."Running title: Potential threat to space station an...
"September 1988""GAO/NSIAD-88-169"Cover title."B-231267"--p.1.Mode of access: Internet
"GAO/NSIAD-92-271.""July 1992.""B-249408"--P. [1].Cover title.Mode of access: Internet
"B-229223"--p. [1]"GAO/IMTEC-88-11.""May 1988."Cover title.Mode of access: Internet
"GAO/NSIAD-93-26.""B-248285"--P. [1]."November 1992."Cover title.Includes bibliographical references...
"B-225026.""GAO/NSIAD-87-32BR.""October 1986."Distributed to depository libraries in microfiche.Cove...
"March 1991"Cover title."B-242779"--p.1."GAO/NSIAD-91-2"Mode of access: Internet
"B-253431"--P. 1."GAO/IMTEC-93-31.""June 1993."Cover title.Mode of access: Internet
"July 1991"Cover title."B-244274"--p.1."GAO/NSIAD-91-172"Mode of access: Internet
"August 1989."Cover title."B-224148"--p. 1."GAO/IMTEC-89-56."Mode of access: Internet
"B-237585" = p [1]"GAO/IMTEC-90-1"Cover title."March 1990."Mode of access: Internet
"B-234056"--P. 1."GAO/IMTEC-89-41.""April 1989."Running title: NASA spacecraft communications.Cover ...
B-223785"--P. [1]."GAO/NSIAD-89-89."Cover title."May 1989."Mode of access: Internet
"GAO/NSIAD-88-190""July 1988""B-206613"--p.1.Cover title.Mode of access: Internet
"B-239284"--p.1."B-234056"--P. 1."May 1990"Cover title."GAO/IMTEC-90-56"Mode of access: Internet
"B-237832"--P. [1]"GAO/IMTEC-90-18.""April 1990."Running title: Potential threat to space station an...
"September 1988""GAO/NSIAD-88-169"Cover title."B-231267"--p.1.Mode of access: Internet
"GAO/NSIAD-92-271.""July 1992.""B-249408"--P. [1].Cover title.Mode of access: Internet
"B-229223"--p. [1]"GAO/IMTEC-88-11.""May 1988."Cover title.Mode of access: Internet
"GAO/NSIAD-93-26.""B-248285"--P. [1]."November 1992."Cover title.Includes bibliographical references...
"B-225026.""GAO/NSIAD-87-32BR.""October 1986."Distributed to depository libraries in microfiche.Cove...
"March 1991"Cover title."B-242779"--p.1."GAO/NSIAD-91-2"Mode of access: Internet
"B-253431"--P. 1."GAO/IMTEC-93-31.""June 1993."Cover title.Mode of access: Internet
"July 1991"Cover title."B-244274"--p.1."GAO/NSIAD-91-172"Mode of access: Internet