{"id":"001261535","type":"book","title":"Roman and medieval-early modern building stones in South East Wales: the Sudbrook Sandstone and Dolomitic conglomerate (Triassic)","pages":"21-44","container-title":"The Monmouthshire Antiquary, 21 (2005","author":[{"family":"Allen","given":"J. R. L."}],"issued":{"raw":"2005"}}