{"id":"001616139","type":"article","title":"On technology and production techniques of early medieval glass rings from Silesia","publisher":"Oxford University, Research Laboratory for Archaeology and the History of Art","publisher-place":"Oxford","pages":"614-646","container-title":"Archaeometry, 61 (2019","author":[{"family":"Siemianowska","given":"Sylwia."}],"issued":{"raw":"2019"}}