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Fotothek df tg Architektur Festung Bastion Grundriss Hendekagon. Scan Deutsche Fotothek dftg color MIKCenter Berlin GmbH Lib Cap Figur Frankfurt Main Hendekagonale Bastionrsfestung Grundriss Papier Kupferstich cm Architektur Festung Bastion Grundriss Hendekagon ppn Druck Deutsche Fotothek gefrdert von der Deutschen Forschungsgemeinschaft