Columbia subject headings:
Andes Region--Research--Congresses.
Cities and towns--Research--Andes Region--Congresses.
Urban renewal--Andes Region--Congresses.
Harvard subject headings:
City planning--Andes Region--Congresses.
Land use, Urban--Andes Region--Congresses.
Urban renewal--Andes Region--Congresses.
Urbanization--Andes Region--Congresses.
Princeton subject headings:
City planning--Andes Region--Congresses.
Land use, Urban--Andes Region--Congresses.
Sociology, Urban--Andes Region--Congresses.
Urbanization--Andes Region--Congresses.