Van den Berghe, Pierre L. <br/><br/>
Age and sex in human societies :  a biosocial perspective / 
Pierre L. Van den Berghe. 
 - California :  Wadsworth,  c1973. 
 - 140 p. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0534003117 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Age group.<br/>Age groups.<br/>Sex role.<br/>Social interaction.
<br/><br/><label>LC Class. No.: </label>HM 131  / .V23