{"id":"001001772","type":"book","title":"Die Befestigungen der Stadt Zug/Schweiz in Mittelalter und früher Neuzeit","publisher":"Böhlau","publisher-place":"Köln/Weimar/Wien","pages":"179-192","container-title":"Die Befestigung der mittelalterlichen Stadt","author":[{"family":"Rothkegel","given":"Rüdiger."}],"issued":{"raw":"1997"}}