Improving the human condition :  quality and stability in social systems :proceedings of the Silver Anniversary International Meeting, London, England, August 20-24, 1979 / 
edited by Richard F. Ericson. 
 - Louisville :  Society for General Systems Research,  1979. 
 - 1051 p. ;  28 cm. 
<br/><br/><label>ISBN: </label>0387904425 
<br/><br/><label>LCCN: </label>79-66355 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social systems--Growth--Congresses.<br/>Social history--Congresses.