UNITED NATIONS. DEPARTMENT OF ECONOMIC AND SOCIAL AFFAIRS <br/><br/>
Methods for population projections by sex and age (Manual III: Manuals on methods of estimating population) 

 - New York  United Nations  1956 
 - 81 (Fot.) 
 - (Population Studies; 25) .
<br/><br/><label>Index Terms--Genre/Form: </label><br/>ESTIMACIONES DE POBLACIÓN<br/>MANUAL<br/>PROYECCIONES DE POBLACIÓN
<br/><br/><label>Universal Decimal Class. No.: </label>312(02)