Unger, Roberto Mangabeira  <br/><br/>
Knowledge and Politics /  
by Roberto Mangabeira Unger 
 - USA:  Free Press; Reissue  1976 
 - 341p;  21cm. 
<br/><br/><label>ISBN: </label>9780029328705 
<br/><br/><label>Dewey Class. No.: </label>320.51  / UNG