{"id":"001204426","type":"book","title":"Burgen und Bergbau. Zu neuen Ausgrabungen an der \"Birchiburg\" in Bollschweil-St. Ulrich, Kreis Breisgau-Hochschwarzwald","pages":"233-237","container-title":"Archäologische Ausgrabungen in Baden-Württemberg, 1999 (1999","author":[{"family":"Fröhlich","given":"Matthias"}],"issued":{"raw":"1999"}}