Exploring the planets
By: by Krafft A. Ehricke and Betty A. Miller.
Contributors: Miller, Betty A., joint author.
Series: 21st century monografics, no. 4
Publisher: Silver Burdett Co.
Published: 1969
Place of publication: [Morristown, N.J
Language: eng
Number of pages: 63
Subjects: Interplanetary voyages.