Vickers, Geofrey. <br/><br/>
Value systems and social process / 
Sir Geoffrey Vickers 
 - London :  Tavistock publications,  1968 
 - 216 p. :  24 cm. 
<br/><br/><label>ISBN: </label>422719501 
<br/><br/><label>LC Class. No.: </label>HM73