{"id":"001579887","type":"article","title":"Ueber den Gagat. Beilage zu dem vorstehenden Aufsatze","publisher":"[Verein von Altertumsfreunden im Rheinlande]","publisher-place":"Bonn","pages":"52-64","container-title":"Jahrbücher des Vereins von Alterthumsfreunden im Rheinlande, 14 (1849","author":[{"family":"Nöggerath","given":"Jakob"}],"issued":{"raw":"1849"}}