{"id":"001070751","type":"book","title":"Die Kölner Stadtbefestigung im Mittelalter und in der frühen Neuzeit","publisher":"Schmidt-Römhild","publisher-place":"Lübeck","pages":"535-552","container-title":"Lübecker Kolloquium zur Stadtarchäologie im Hanseraum. 7. Die Befestigungen","author":[{"family":"Trier","given":"Marcus Carl."}],"issued":{"raw":"2010"}}