Wertheimer, Max <br/><br/>
El pensamiento productivo 
Max Wertheimer ; traducción de Leandro Wolfson. 
 - Barcelona  Ediciones Paidós  c1991. 
 - 230 p.  22 cm. 
<br/><br/> Translation of: Productive thinking.  Includes index. 
<br/><br/><label>ISBN: </label>8475096565 
<br/><br/><label>LCCN: </label>upu10000494 //r82 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Thought and thinking<br/>Gestalt psychology.<br/>Problem Solving
<br/><br/><label>LC Class. No.: </label>BF203  / .W4518 1991 
<br/><br/><label>Dewey Class. No.: </label>153.4/3