Kuhn,Thomas S. <br/><br/>
The essential tension: selected studies in scentific tradition and change / 
Kuhn,Thomas S. 
 - London:  UCP,  1997. 
 - ix,354p;23cm 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0226458067 
<br/><br/><label>Dewey Class. No.: </label>501 KUH