zhang, M., D. Ma, and M. Guo. “PREPARATION OF POLYMERIC ALUMINIUM FERRIC CHLORIDE FROM BAUXITE TAILINGS”. Journal of Mining and Metallurgy, Section B: Metallurgy, Vol. 49, no. 2, July 2013, p. 225, https://aseestant.ceon.rs/index.php/jmm/article/view/2379.