“INFLUENCE OF DIFFERENT COMPONENTS ON VISCOSITIES OF CaO-MgO-Al2O3-SiO2 MELTS”. Journal of Mining and Metallurgy, Section B: Metallurgy, vol. 50, no. 2, Oct. 2014, p. 157, https://test.aseestant.ceon.rs/index.php/jmm/article/view/4332.