Research in space science.
Series: Smithsonian contributions to astrophysics,; v. 6
Publisher: Smithsonian Institution; [for sale by the Superintendent of Documents, U.S. Govt. Print. Off.]
Published: 1963
Place of publication: Washington
Language: eng
Number of pages: 242
Subjects: Artificial satellites.; Space trajectories.; Geophysics.
Notes: Bibliography: p. 223-230.