Kaufman, Lloyd. <br/><br/>
Perception :  the world transformed / 
Lloyd Kaufman. 
 - New York :  Oxford University Press,  1979. 
<br/><br/><label>ISBN: </label>0198575831 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ILUSION OPTICA.<br/>PERCEPCION.<br/>PSICOLOGIA DE LA FORMA.