{"id":"001266331","type":"book","title":"Neue Ergebnisse der Kanalarchäologie in der Köln-und Kurfürstenstrasse 1989","pages":"3-10","container-title":"Beiträge zur Jülicher Geschichte, 58 (1990","author":[{"family":"Clemens","given":"Rolf"}],"issued":{"raw":"1990"}}