TY  - BOOK
ED  - UN. Economic and Social Affairs, dept
TI  - Manuals on methods of estimating population: Manual 3- Methods for population projections by sex and age
U1  - 312 
PY  - 1956///
CY  - New York
PB  - UN. Economic and Social Affairs, Dept
KW  - Demography
KW  - Population projection
KW  - Population study
ER  -