Illés, István B., and Tamás Kékesi. “The Fundamental Aspects of Ferro-Alloy Production from Spent Lithium-Ion Batteries by Reduction Using Calcium-Aluminate Slags”. Hungarian Materials and Chemical Sciences and Engineering 47, no. 1 (November 5, 2023): 79–87. Accessed July 3, 2024. https://ojs.uni-miskolc.hu/index.php/hmcse/article/view/2718.