Graham Norma Van Surdam <br/><br/>
Visual pattern analyzers. 
Graham Norma Van Surdam 
 - New York     Oxford University Press      1989 
 - xvi,646p.  cm. 
 - Oxford psychology series no.16. .
<br/><br/><label>Standard No.: </label>33486 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>S:25, M9