Columbia subject headings:
Harvard subject headings:
Regional planning--Germany (East)--Forecasting.
Regional planning--Soviet Union--Forecasting.
Territorial production complexes--Germany (East)
Territorial production complexes--Soviet Union.
Princeton subject headings:
Regional planning--Germany (East)--Forecasting.
Regional planning--Soviet Union--Forecasting.
Territorial production complexes--Germany (East).
Territorial production complexes--Soviet Union.