VERNON M.D <br/><br/>
The psychology of perception/ 
M.D.Vernon  
 - 2nd ed. 
 - New york:  Penguin books,  c1971 
 - 250p.:  ill.; 
<br/><br/> Include bibliographical references and index 
<br/><br/><label>Dewey Class. No.: </label>152.1