{"id":"000995066","type":"book","title":"Bauernfreiheit und Häuptlingsherrlichkeit im Mittelalter","publisher":"Ostfriesische Landschaft","publisher-place":"Aurich","pages":"113-134","container-title":"Ostfriesland : Geschichte und Gestalt einer Kulturlandschaft","author":[{"family":"Lengen","given":"Hajo van"}],"issued":{"raw":"1996"}}