de Juan, D., V. Meseguer, and L. J. Lozano. “Chromiun Extraction With Organic Solvents. Part 3. Application to the Treatment of Polymetallic Industrial Residues”. Revista de Metalurgia 34, no. 5 (October 30, 1998): 391–398. Accessed April 28, 2024. https://revistademetalurgia.revistas.csic.es/index.php/revistademetalurgia/article/view/806.