Piaget Jean <br/><br/>
Main trends in interdisciplinary research. 

 - London  George Allen and Unwin      1970 
 - 73p  cm. 
<br/><br/><label>Standard No.: </label>33480 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>Sigma:f, L0