Methods for population projections by sex and age. 

 - New York :  United Nations, Dept. of Economic and Social Affairs,  1956. 
 - United Nations. Dept. of Economic and Social Affairs. Population studies ;  no. 25 United Nations. [Document] ST/SOA/Series A/25 .
 - Population studies (New York, N.Y.) ;  no. 25 .
<br/><br/> United Nations publication. Sales no. 56. XIII. 3. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Population forecasting.<br/>Demography -- Methodology.--Demography -- Methodology.