Methods for population projections by sex and age /
- New York : United Nations, 1956.
- vii,81p. : ill. ; 26 cm.
- U.N. Population studies no.25 : Manuals on methods of estimating population, manual III .
- no. 25 ST/SOA/Series A/25 Manuals on methods of estimating population, manual III. Population studies (New York, N.Y.) ; Document (united Nations) ; .
U.N. [Document] ST/SOA/Series A/25.
Demography--Methodology. Population forecasting--Methodology.