A universe to explore
By: Ralph O. Ewers, Lynda M. Ewers.
Contributors: Ewers, Lynda M., joint author.
Series: Searching for structure
Publisher: Holt, Rinehart and Winston of Canada
Published: 1976
Place of publication: Toronto
Language: eng
Number of pages: 92
Subjects: Astronomy -- Problems, exercises, etc.
Notes: Bibliography: p. 88.
Includes index.