{"id":"001001771","type":"book","title":"Die Befestigung der Basler Vorstädte und ihre Integration in den äusseren Mauerring","publisher":"Böhlau","publisher-place":"Köln/Weimar/Wien","pages":"167-178","container-title":"Die Befestigung der mittelalterlichen Stadt","author":[{"family":"Helmig","given":"Guido."}],"issued":{"raw":"1997"}}