{"id":"001209704","type":"book","title":"Aquädukt-Marmor. Kalksinter der römischen Eifelwasserleitung als Baustoff des Mittelalters","pages":"277-343","container-title":"Bonner Jahrbücher, 191 (1991","author":[{"family":"Grewe","given":"Klaus."}],"issued":{"raw":"1991"}}