OuYang, Kun, Zhi-he Dou, Ting-an Zhang, Yan Liu, and Li-ping Niu. 2019. “Desulfurization Kinetics of High Lead-Zinc Sulfur Slag With Oxygen”. Journal of Mining and Metallurgy, Section B: Metallurgy 55 (2): 187. https://asistent.ceon.rs/index.php/jmm/article/view/20261.