Proceedings on changing patterns of  conception and fertility 

 -  1981 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>52247 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sociology
<br/><br/><label>Dewey Class. No.: </label>Y:52:5(L)p1,N79, M1