Planetary exploration
By: by William R. Corliss.
Series: Space in the seventies
Publisher: National Aeronautics and Space Administration; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.
Published: 1971
Place of publication: Washington
Language: eng
Number of pages: 28
Subjects: Space flight to Mars.; Space probes.; Planets -- Exploration.; Astronautics -- United States.