Bergaust, Erik.

Colonizing space / Erik Bergaust. - New York : Putnam, c1978. - 62 p. : ill. ; 24 cm.

Includes index.

ISBN: 0399611134

LCCN: 77011147

Subjects--Topical Terms:
Space colonies.

LC Class. No.: TL795.7 / .B47

Dewey Class. No.: 629.44/2