Mannheim, Karl <br/><br/>
Structures of thinking. 

 - London :  Routledge and Kegan paul,      1982. 
 - 292p. 
<br/><br/><label>ISBN: </label>0710009364 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>YxM93  M2