PARGA, J. R.; CARRILLO, F. R. Advances in the methods for gold and silver recovery from refractory ores. Revista de Metalurgia, [S. l.], v. 32, n. 4, p. 254–261, 1996. DOI: 10.3989/revmetalm.1996.v32.i4.907. Disponível em: https://revistademetalurgia.revistas.csic.es/index.php/revistademetalurgia/article/view/907. Acesso em: 6 oct. 2022.