Mars
Subtitle: the Viking discoveries
By: by Bevan M. French.
Publisher: National Aeronautics and Space Administration : for sale by the Supt. of Docs., U.S. Govt. Print. Off.
Published: 1977
Place of publication: [Washington]
Language: eng
Number of pages: 36
Subjects: Viking Mars Program (U.S.); Mars (Planet) -- Exploration.
Notes: Bibliography: p. 32-33.
Filmography: p. 36.
"EP-146."