Columbia subject headings:
Cities and towns--Europe--Forecasting--Congresses.
City planning--Europe--Congresses.
Sociology, Urban--Europe--Congresses.
Urban policy--Europe--Congresses.
Harvard subject headings:
Cities and towns--Europe--Forecasting--Congresses.
City planning--Europe--Congresses
Sociology, Urban--Europe--Congresses.
Urban policy--Europe--Congresses
Princeton subject headings: