{"id":"001174131","type":"book","title":"Die hochmittelalterliche Motte und Ringmauerburg von Oberursel-Bommersheim, Hochtaunuskreis. Vorbericht der Ausgrabungen 1988 bis 1991","pages":"441-519","container-title":"Germania, 71,1-2 (1993","author":[{"family":"Friedrich","given":"Reinhard."}],"issued":{"raw":"1993"}}