Columbia subject headings:
Harvard subject headings:
Bremen Metropolitan Region (Germany)--Economic conditions.
Industries--Germany--Bremen Metropolitan Region.
Industries--Germany--Oldenburg Metropolitan Region.
Oldenburg Metropolitan Region (Germany)--Economic conditions.
Regional planning--Germany--Bremen Metropolitan Region.
Regional planning--Germany--Oldenburg Metropolitan Region.
Technological innovations--Germany--Bremen Metropolitan Region.
Technological innovations--Germany--Oldenburg Metropolitan Region.
Princeton subject headings:
Bremen Metropolitan Region (Germany)--Economic conditions.
Industries--Germany--Bremen Metropolitan Region.
Industries--Germany--Oldenburg Metropolitan Region.
Oldenburg Metropolitan Region (Germany)--Economic conditions.
Regional planning--Germany--Bremen Metropolitan Region.
Regional planning--Germany--Oldenburg Metropolitan Region.
Technological innovations--Germany--Bremen Metropolitan Region.
Technological innovations--Germany--Oldenburg Metropolitan Region.