Yan, B. (2013). A study on phase equilibria in the CaO-Al2O3-SiO2-“Nb2O5”(5 mass pct) system in reducing atmosphere. Journal of Mining and Metallurgy, Section B: Metallurgy, 49(2), 145. Retrieved from https://www.aseestant.ceon.rs/index.php/jmm/article/view/2438