1. C.A. Krause, Refractories: The Hidden Industry (American Ceramic Society, 1987).
2. W.L. Headrick, “Toward a “Greener” Future with Advanced Refractories,” American Ceramic Society Bulletin, 92(7) (2013), 28–31.
3. I.C. Freestone and M.S. Tite, “Refractories in the ancient and preindustrial world,” (Proceedings of the Society Symposium on ceramic history and archeology at the 88th Annual Meeting of the American Ceramic Society, 29–30 April 1986, Chicago, Illinois), 35–63.
4. Roskill 2014, EEC environment/energy/chemicals.
5. F.R. Pyne, “Metallurgical Requirements of Refractories in Copper Smelting and Refining,” J Amer Ceram Soc, 6(11) (1923), 1188–1190.