The sex and age distributions of population: the 1990 revision of the United Nations Global Population estimates and projections 

 - New York  United Nations: Department of International Economic and Social  1991 
 - viii,391p.  28cm. 
<br/><br/><label>ISBN: </label>9211512204 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Age distribution
<br/><br/><label>LC Class. No.: </label>DTU HB1565.S49 No.122