Chacón, L., F. Ruiz, and R. Zapico. “Flotation of Gold-Copper Ores With Minimal Arsenic Recovery”. Revista de Metalurgia 41, no. Extra (December 17, 2005): 390–394. Accessed April 29, 2024. https://revistademetalurgia.revistas.csic.es/index.php/revistademetalurgia/article/view/1062.