{"id":"001258261","type":"book","title":"Zur Problematik slawischer Befestigungen im Kreis Schwerin","pages":"53-61","container-title":"Informationen des Bezirksarbeitskreises für Ur- und Frühgeschichte Schwerin, 23 (1983","author":[{"family":"Schattinger","given":"Bernd"}],"issued":{"raw":"1983"}}