TY  - BOOK
AU  - United Nations. Department of International Economic and Social Affairs
TI  - Stable population age distributions
U1  - 304.6091724 STA; 
PY  - 1990///
CY  - New York
PB  - United Nations
KW  - Demographic surveys
KW  - Stable population model
KW  - Age distribution (Demography)
KW  - Developing countries - Population - Statistics
ER  -