Shepard, Roger N. <br/><br/>
Mind sights  original visual illusions, ambiguities, and other anomalies, with a commentary on the play of mind in perception and art 
Roger N. Shepard. 
 - New York  W.H. Freeman and Co.  c1990. 
 - x, 228 p.  ill.  23 cm. 
<br/><br/>Includes bibliographical references (p. [215]-221) and index. 
<br/><br/><label>ISBN: </label>0716721341  38.95 0716721333 (pbk.)  14.95 
<br/><br/><label>LCCN: </label>90032451  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Optical illusions.<br/>Visual perception
<br/><br/><label>LC Class. No.: </label>QP495  / .S47 1990 
<br/><br/><label>Dewey Class. No.: </label>152.14/8