{"id":"001259640","type":"book","title":"Burg und Bergbau. Die Ausgrabung der Birchiburg bei Bollschweil","publisher":"Rheinland-Verlag","publisher-place":"Köln","pages":"208-210","container-title":"Zeitschrift für Archäologie des Mittelalters, 31 (2003","author":[{"family":"Fröhlich","given":"Matthias"}],"issued":{"raw":"2003"}}