TY  - SER
TI  - The sex and age distributions of population
T2  - 1990 revision: Population studies
U1  - 304.6/01/12 
PY  - 1997///
CY  - New York
PB  - United Nations
KW  - Sex distribution (Demography)
KW  - Statistics
KW  - Periodicals
KW  - Age distribution (Demography)
KW  - Population forecasting
KW  - Population
KW  - Seksen
KW  - Leeftijdsgroepen
KW  - Wereldbevolking
KW  - Age Factors
KW  - Demography
KW  - Sex Factors
ER  -