TY - BOOK ED - United Nations. TI - Methods for population projections by sex and age T2 - U.N. Population studies no.25 : Manuals on methods of estimating population, manual III U1 - 304.6072 PY - 1956/// CY - New York PB - United Nations KW - Demography KW - Methodology KW - Population forecasting N1 - U.N. [Document] ST/SOA/Series A/25 ER -