{"id":"001247064","type":"book","title":"Der Barberg bei Portenhagen im Landkreis Northeim. Eine unbekannte Burganlage des hohen Mittelalters","pages":"233-238","container-title":"Die Kunde, Neue Folge, 54 (2003","author":[{"family":"Heine","given":"Hans-Wilhelm 1948-2012."}],"issued":{"raw":"2003"}}