Extraterrestrial civilizations /

Bibliographic Details
Main Author:	Asimov, Isaac, 1920-1992
Format:	Book
Language:	English
Published:	New York : Crown Publishers, [1979]
Subjects:	Life on other planets. Civilization.

Description
Physical Description:	282 pages ; 24 cm.
Bibliography:	Includes bibliographical references and index.
ISBN:	0517530759