{"id":"001282879","type":"book","title":"Die Geschichte der Burgruine Schwärzenberg anhand von Schriftquellen und Archäologie, Landkreis Cham","pages":"219-232","container-title":"Beiträge zur Archäologie in der Oberpfalz und in Regensburg, 5 (2002","author":[{"family":"Ernst","given":"Bernhard"}],"issued":{"raw":"2002"}}