1
Έκδοση 1966
“...United Nations. Economic Commission for Europe. Committee on Housing, Building and Planning...”
Βιβλίο
2
Έκδοση 1967
“...United Nations. Economic Commission for Europe Committee on Housing, Building and Planning...”
Βιβλίο
3
Έκδοση 1980
“...United Nations . Economic Commission for Europe . Committee on Housing, Building and Planning ....”
Βιβλίο