Cohen, I. Bernard <br/><br/>
Introduction to nation puncipia  I. Bernard Cohen. 

 - Cambridge  At the University Press  1971 
 - xxvi, 380p., 28cm. 
<br/><br/><label>ISBN: </label>521-07648-x. 
<br/><br/><label>Dewey Class. No.: </label>508  / C48I