Date on cover: May 27, 1977."B-183134.""PSAD-77-113."Cover title.Mode of access: Internet
Publication date stamped on cover."B-118779.""PSAD-75-44."Cover title.Mode of access: Internet
Publication date stamped on t.p."PSAD-77-74."Cover title.Mode of access: Internet
"B-162578.""PSAD-76-148."Publication date stamped on cover.Cover title.Mode of access: Internet
Cover title.Publication date stamped on cover."B-182956.""PSAD-77-54."Mode of access: Internet
Cover title."B-133394.""PSAD-77-114."Date of publication stamped on t.p.Mode of access: Internet
Cover title.Publication date stamped on cover."PSAD-77-98."Mode of access: Internet
Prepared at George C. Marshall Space Flight Center."January 1961."Cover title.Mode of access: Intern...
Publication date stamped on cover."B-163058.""PSAD-77-31."Cover title.Mode of access: Internet
"B-164497(1)."Publication date stamped on cover.Cover title.Mode of access: Internet
"B-187185.""PSAD-76-172."Publication date stamped on cover.Cover title.Includes bibliographical refe...
Publication date stamped on cover, Feb. 5, l975.Cover title.B-163058"PSAD-75-53."Mode of access: Int...
"June 1960."Cover title.Includes bibliographical references (p. 28-29).Mode of access: Internet
At head of title: An educational services publication of the National Aeronautics and Space Administ...
Publication date stamped on cover."B-157905.""PSAD-75-95."Cover title.Mode of access: Internet
"B-234056"--P. 1."GAO/IMTEC-89-41.""April 1989."Running title: NASA spacecraft communications.Cover ...
Publication date stamped on cover."B-118779.""PSAD-75-44."Cover title.Mode of access: Internet
Publication date stamped on t.p."PSAD-77-74."Cover title.Mode of access: Internet
"B-162578.""PSAD-76-148."Publication date stamped on cover.Cover title.Mode of access: Internet
Cover title.Publication date stamped on cover."B-182956.""PSAD-77-54."Mode of access: Internet
Cover title."B-133394.""PSAD-77-114."Date of publication stamped on t.p.Mode of access: Internet
Cover title.Publication date stamped on cover."PSAD-77-98."Mode of access: Internet
Prepared at George C. Marshall Space Flight Center."January 1961."Cover title.Mode of access: Intern...
Publication date stamped on cover."B-163058.""PSAD-77-31."Cover title.Mode of access: Internet
"B-164497(1)."Publication date stamped on cover.Cover title.Mode of access: Internet
"B-187185.""PSAD-76-172."Publication date stamped on cover.Cover title.Includes bibliographical refe...
Publication date stamped on cover, Feb. 5, l975.Cover title.B-163058"PSAD-75-53."Mode of access: Int...
"June 1960."Cover title.Includes bibliographical references (p. 28-29).Mode of access: Internet
At head of title: An educational services publication of the National Aeronautics and Space Administ...
Publication date stamped on cover."B-157905.""PSAD-75-95."Cover title.Mode of access: Internet
"B-234056"--P. 1."GAO/IMTEC-89-41.""April 1989."Running title: NASA spacecraft communications.Cover ...
Publication date stamped on cover."B-118779.""PSAD-75-44."Cover title.Mode of access: Internet
Publication date stamped on t.p."PSAD-77-74."Cover title.Mode of access: Internet
"B-162578.""PSAD-76-148."Publication date stamped on cover.Cover title.Mode of access: Internet