International Congress of Anthropological and Ethnological Sciences 9th 1973 Chicago. <br/><br/>
Population, ecology and social evolution 
editor, Steven Polgar. 
 - The Hague:  Mouton Publishers,  1975. 
 - 354 p.:  ill.;  24 cm. 
 - World anthropology. .
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9027975299 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social evolution--Congresses.<br/>Population--Congresses.<br/>Human ecology--Congresses.