López, F. A., M. I. Martín, C. Pérez, A. López-Delgado, and F. J. Alguacil. “Heavy Metals Adsorption on Rolling Mill Scale”. Revista de Metalurgia 39, no. 3 (June 30, 2003): 215–223. Accessed February 2, 2023. https://revistademetalurgia.revistas.csic.es/index.php/revistademetalurgia/article/view/332.