An introduction to astronomy
Fredrick, Laurence W
An introduction to astronomy by Laurence W. Fredrick and Robert H. Baker - 8th ed. - New York : D. Van Nostrand Company, 1974 - xii, 453 p. : ill. ; 24 cm.
First-7th ed., by R. H. Baker (7th ed., with L. W. Fredrick).
p. 429-430.
0442224362
Astronomy
An introduction to astronomy by Laurence W. Fredrick and Robert H. Baker - 8th ed. - New York : D. Van Nostrand Company, 1974 - xii, 453 p. : ill. ; 24 cm.
First-7th ed., by R. H. Baker (7th ed., with L. W. Fredrick).
p. 429-430.
0442224362
Astronomy