Columbia subject headings:
Europe--Population--Econometric models--Congresses.
Europe--Population--Statistical methods--Congresses.
Population forecasting--Europe--Econometric models--Congresses.
Population forecasting--Europe--Statistical methods--Congresses.
Harvard subject headings:
Europe--Population--Econometric models--Congresses.
Europe--Population--Statistical methods--Congresses.
Population forecasting--Europe--Econometric models--Congresses.
Population forecasting--Europe--Statistical methods--Congresses.
Princeton subject headings:
Demography--Mathematical models.