Columbia subject headings:
Demography--Switzerland--Forecasting--Congresses.
Mortality--Switzerland--Forecasting--Congresses.
Switzerland--Emigration and immigration--Forecasting--Congresses.
Harvard subject headings:
Demography--Switzerland--Forecasting--Congresses.
Mortality--Switzerland--Forecasting--Congresses.
Switzerland--Emigration and immigration--Forecasting--Congresses.
Princeton subject headings:
Demography--Switzerland--Forecasting--Congresses.
Mortality--Switzerland--Forecasting--Congresses.
Switzerland--Emigration and immigration--Forecasting--Congresses.