Koffka, Kurt, <br/><br/>
Principles of gestalt psychology / 
by K. Koffka. 
 - London :  Routledge & Kegan Paul,  1935. 
 - xi, 720 p. : 
<br/><br/> Imprint date varies. 
<br/><br/><label>ISBN: </label>TBA419 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gestalt psychology.
<br/><br/><label>Dewey Class. No.: </label>150.1982  / Pr