Columbia subject headings:
Fertility, Human--Statistical methods.
Mortality--Statistical methods.
Population forecasting--Statistical methods.
Population--Statistical methods.
Harvard subject headings:
Fertility, Human--Statistical methods.
Mortality--Statistical methods.
Population forecasting--Statistical methods.
Population--Statistical methods
Princeton subject headings:
Fertility, Human--Statistical methods.
Mortality--Statistical methods.
Population forecasting--Statistical methods.
Population--Statistical methods.