Wertheimer, Max <br/><br/>
Productive thinking / 
by Max Wertheimer  
 - New York :  Harper & brothers,  1959. 
 - xvi, 302p. :  ill. ; 
<br/><br/> Reprint of the enl. ed. published by Harper, New York.  Includes index. 
<br/><br/>Bibliography: p. 294-296. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Thought and thinking.<br/>Problem solving.<br/>Indian Psychology
<br/><br/><label>Dewey Class. No.: </label>153.43  / WER;1