Image, object, and illusion :  Readings from Scientific American / 
With introductions by Richard Held. 
 - San Francisco, :  W. H. Freeman,  [1974]. 
 - 137 p. :  ill. ;  30 cm. 
<br/><br/>Bibliogr.: p. [132]-134. 
<br/><br/><label>ISBN: </label>0716705052 0716705044 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Optical illusions.<br/>Illusions.
<br/><br/><label>National Library of Medicine Call No.: </label>WW103 H474i