"GAO/NSIAD-92-305.""B-249729"--P. 1.Cover title."August 1992."Mode of access: Internet
"January 1993.""B-250994"--P. 1."GAO/RCED-93-55."Cover title.Includes bibliographical references.Mod...
"GAO/NSIAD-92-311.""September 1992.""B-229486"--P. 1.Cover title.Includes bibliographical references...
"GAO/NSIAD-88-190""July 1988""B-206613"--p.1.Cover title.Mode of access: Internet
"March 1989"Cover title."B-231309"--p.1."GAO/NSIAD-89-12FS"Mode of access: Internet
"June 1991.""B-244293"--P. [1]."GAO/NSIAD-91-240."Cover title.Includes bibliographical references.Mo...
"B-229129"--p.[1]Cover title."GAO/NSIAD-88-76""January 1988"Mode of access: Internet
"July 1992."Cover title."B-249349"--P. 1."GAO/NSIAD-92-272."Mode of access: Internet
"B-250219"--P. 1."September 1992."Cover title."GAO/NSIAD-92-332BR."Mode of access: Internet
"B-228642"--p.[1]"August 1987"Cover title."GAO/NSIAD-87-199BR"Mode of access: Internet
"February 1993.""B-250119"--P. [1]."GAO/NSIAD-93-45."Cover title.Mode of access: Internet
"GAO/NSIAD-92-110.""March 1992.""B-247515"--P. 1.Cover title.Includes bibliographical references.Mod...
"GAO/RCED-93-42.""B-250303"--P. 1."November 1992."Cover title.Mode of access: Internet
"B-242246"--P. [1]"May 1991."Cover title."GAO/NSIAD-91-91.""Related GAO products": p.32.Mode of acce...
"September 1997.""B-272628"--P. 1."GAO/NSIAD-97-94."Cover title.Includes bibliographical references....
"B-242727"--P. [1]."May 1991.""Report to the Chairman, Subcommittee on Aviation, Committee on Public...
"January 1993.""B-250994"--P. 1."GAO/RCED-93-55."Cover title.Includes bibliographical references.Mod...
"GAO/NSIAD-92-311.""September 1992.""B-229486"--P. 1.Cover title.Includes bibliographical references...
"GAO/NSIAD-88-190""July 1988""B-206613"--p.1.Cover title.Mode of access: Internet
"March 1989"Cover title."B-231309"--p.1."GAO/NSIAD-89-12FS"Mode of access: Internet
"June 1991.""B-244293"--P. [1]."GAO/NSIAD-91-240."Cover title.Includes bibliographical references.Mo...
"B-229129"--p.[1]Cover title."GAO/NSIAD-88-76""January 1988"Mode of access: Internet
"July 1992."Cover title."B-249349"--P. 1."GAO/NSIAD-92-272."Mode of access: Internet
"B-250219"--P. 1."September 1992."Cover title."GAO/NSIAD-92-332BR."Mode of access: Internet
"B-228642"--p.[1]"August 1987"Cover title."GAO/NSIAD-87-199BR"Mode of access: Internet
"February 1993.""B-250119"--P. [1]."GAO/NSIAD-93-45."Cover title.Mode of access: Internet
"GAO/NSIAD-92-110.""March 1992.""B-247515"--P. 1.Cover title.Includes bibliographical references.Mod...
"GAO/RCED-93-42.""B-250303"--P. 1."November 1992."Cover title.Mode of access: Internet
"B-242246"--P. [1]"May 1991."Cover title."GAO/NSIAD-91-91.""Related GAO products": p.32.Mode of acce...
"September 1997.""B-272628"--P. 1."GAO/NSIAD-97-94."Cover title.Includes bibliographical references....
"B-242727"--P. [1]."May 1991.""Report to the Chairman, Subcommittee on Aviation, Committee on Public...
"January 1993.""B-250994"--P. 1."GAO/RCED-93-55."Cover title.Includes bibliographical references.Mod...
"GAO/NSIAD-92-311.""September 1992.""B-229486"--P. 1.Cover title.Includes bibliographical references...
"GAO/NSIAD-88-190""July 1988""B-206613"--p.1.Cover title.Mode of access: Internet