Illés, I. B., and T. 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, vol. 47, no. 1, Nov. 2023, pp. 79-87, doi:10.32974/mse.2022.008.