{"id":"001006306","type":"book","title":"A graphical method to determine furnace efficiency and lining contribution to Romano-British bloomery iron making slags (Bristol Channel orefield, UK)","publisher":"Archaeopress","publisher-place":"Oxford","pages":"223-226","container-title":"Metals in Antiquity","author":[{"family":"Thomas","given":"G. R."}],"issued":{"raw":"1999"}}