Uninvited visitors ; a biologist looks at UFO's /

Bibliographic Details
Main Author:	Sanderson, Ivan Terence, 1911-1973
Format:	Book
Language:	English
Published:	New York : Cowles Education Corp., 1967]
Edition:	[1st ed.
Subjects:	Unidentified flying objects.

Description
Physical Description:	viii, 244 pages : illustrations, portrait ; 23 cm.
Bibliography:	Bibliography: pages 242-244.