TY  - BOOK
ED  - United Nations. Department of International Economic and Social Affairs
TI  - The Sex and age distribution of population: the 1990 revision of the United Nations global population estimates and projections
SN  - 92-1-151220-4
U1  - 312 21st
PY  - 1991///
CY  - New York
PB  - United Nations
KW  - Demographic surveys; Population; Fertility, Human
N1  - ST/ESA/SER.A/122
ER  -