Roy, Doty. <br/><br/>
Eye fooled you :  the big book of optical illusions / 
Roy Doty. 
 - New York :  Macmillan Publishing,  1983. 
<br/><br/><label>ISBN: </label>0020429800 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ILUSION OPTICA.<br/>PERCEPCION.<br/>PSICOLOGIA.