TY - BOOK AU - "United Nations, Economic and Social Affairs (Deptt of-)" ED - "United Nations, Economic and Social Affairs (Deptt of-)" TI - Methods for population projections by sex and age T2 - "United Nations, Population Studies. 25. Manuals on Methods of Estimating Population.3" U1 - "Y:5:(B), J6/UN" PY - 1956/// CY - New PB - York UN KW - Family Planning ER -