{"id":"001015769","type":"book","title":"Bodendenkmäler des Mittelalters in Bottrop","publisher":"Edition Agora","publisher-place":"Gelsenkirchen","pages":"129-146","container-title":"Ur-Geschichte im Ruhrgebiet. Festschrift Arno Heinrich","author":[{"family":"Ellger","given":"Otfried"}],"issued":{"raw":"1992"}}