Sobiecka, Elżbieta, and Witold Sroczyński. “Fly Ash Vitrification As the Effective Physico-Chemical Waste Stabilization Method”. Biotechnology and Food Science 76, no. 2 (December 31, 2011): 35-38. Accessed January 28, 2025. https://eczasopisma.p.lodz.pl/BFS/article/view/18.