Statistical yearbook 1980  
/ UNESCO  
 - London:   United Nations Educational, Scientific and Cultural organization,   1980 
 - 1280p.  
<br/><br/><label>ISBN: </label>92-3-001835-X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics 
<br/><br/><label>Subjects--Index Terms: </label>Population  
<br/><br/><label>Universal Decimal Class. No.: </label>R 31(058)   / M0