Population bulletin of the united nations / 

 - New York :  United Nations,  1987. 
 - 167p. : 
<br/><br/> No. 19/20-1986 
<br/><br/><label>ISBN: </label>9211511623 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Population
<br/><br/><label>Dewey Class. No.: </label>304.62  / POP/P