Koffka,K <br/><br/>
Principles of gestalt psychology 

 - New York  Ronald Press Company  1935 
 - xi,720  Hb  21.5cm 
<br/><br/> Why psychology? 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>Psychology<br/>
<br/><br/><label>Dewey Class. No.: </label>150.1924