Wallach, Hans, 1904-, <br/><br/>
On perception / 
Hans Wallach. 
 - Quadrangle :  New York Times Book Co. : New York,  1976. 
 - xviii, 490 pages :   illustrations ;   24 cm. 
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>081290480X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Perception.