Kettler, David <br/><br/>
Karl Mannheim 
David Kettler et.al. 
 - 1st ed. 
 - New York:  Ellis Horwood Ltd.,  1984 
 - 169p. 
<br/><br/><label>ISBN: </label>0853126879 
<br/><br/><label>Dewey Class. No.: </label>301.045  / KET/K