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DUSSELDORF, GERMANY - JULY 8, 2013: Aerial view of Dusseldorf, Germany. Dusseldorf is part of Rhine-Ruhr metropolitan area inhabited by more than 11 m Stock Photo - Alamy
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Diercke Weltatlas - Kartenansicht - Rhine-Ruhr Metropolitan Region - Structural change - 978-3-14-100890-6 - 95 - 2 - 2
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Spatial structure of the FUR Rhine-Ruhr. Source: Calculations based on... | Download Scientific Diagram
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