Vargas, C., P. Navarro, E. Araya, F. Pavez, and F. J. Alguacil. “Recovery of Gold from Solutions With Ammonia and Thiosulfate Using Activated Carbon”. Revista de Metalurgia 42, no. 3 (June 30, 2006): 222–233. Accessed April 18, 2024. https://revistademetalurgia.revistas.csic.es/index.php/revistademetalurgia/article/view/22.