Earth, moon, and planets
By: Fred L. Whipple.
Edition: 3rd ed.
Series: Pelican books
Publisher: Penguin
Published: 1971
Place of publication: Harmondsworth
Language: eng
Number of pages: 296
Subjects: Planets.; Earth.; Moon.
Notes: Third ed. originally published, Cambridge (Mass.): Harvard University Press; London: Distributed by Oxford University Press, 1968.

bibl p284-285.