Alguacil, F. J. “The Recovery of Copper by Leaching-Solvent Extractionelectrowinning: Towards the XXI Century”. Revista de Metalurgia 34, no. 6 (December 30, 1998): 499–506. Accessed April 20, 2024. https://revistademetalurgia.revistas.csic.es/index.php/revistademetalurgia/article/view/818.