Bassine, JF., Mestdagh, MM., & Vancangh, L. (1988). Influence of Copper On the Redox Buffering By Sulfate and Carbonate of Reduced Soda Lime Silica Glasses. Glossa : an international journal of linguistics, 29(2), 64-72. https://hdl.handle.net/2078.5/43445 (Original work published 1988)