The sex and age distributions of population  the 1990 revision of the United Nations global population estimates and projections 
Department of International Economic and Social Affairs  
 - New York  United Nations  1991  
 - viii, 391p.  28cm 
<br/><br/> "ST/ESA/SER.A122"  
<br/><br/>Includes bibliographical references (p. 391)  
<br/><br/><label>ISBN: </label>9211512204 (pbk) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Age distribution (Demography)--Statistics<br/>Sex distribution (Demography)--Statistics