Hartmann, George W <br/><br/>
Gestalt Psychology :  A Survey of Facts and Principles 

 - New York :  Ronald Press,  1936 
 - xiii, 325p.;  20 cm. 
 - Psychology series .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psicología de la forma
<br/><br/><label>Universal Decimal Class. No.: </label>159.9.019.24