{"id":"000299475","type":"book","title":"The Roman imperial marble yard at Portus","pages":"115-120","container-title":"Ancient stones. Quarrying, trade and provenance. Interdisciplinary studies on stones and stone technology in Europe and Near East from the prehistoric to the Early Christian period. [Second Meeting of the Association for the Study of Marble and Other Stones Used in Antiquity. Leuven, October 16 - 20th, 1990","author":[{"family":"Fant","given":"J.C."}]}