wertheimer Max, wertheimer Michael <br/><br/>
Productive thinking   

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 - London  Tavistock Publications  1959 
 - 302 p.  22 cm. 
 -   .
<br/><br/>  
<br/><br/>  Thinking 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Thinking
<br/><br/><label>Dewey Class. No.: </label>153.42  / WER