1. R. Espinosa, B. Hornicki, and C. Queirolo: 115th TMS-AIME Annual Meeting, New Orleans, LA, Mar. 1986.
2. R. Campos and L. Torres: The Paul E. Queneau Int. Symp. on Extractive Metallurgy of Copper, Nickel and Cobalt, Vol. II, Copper and Nickel Smelter Operations, C.A. Landolt, ed., TMS, Warrendale, PA, 1993, p. 1441.
3. J.O. Achurra, C.H. Queirolo, and J.G. Achurra: in Copper 87: Vol. 4, Pyrometallurgy of Copper, C. Diaz, C. Landolt, and A. Luraschi, eds., University of Chile, Santiago, Chile, p. 393.
4. E. Almendras, D. Cordero, C. Diaz, A. Luraschi, J. Manriquez, G. Sanchez, and T. Utigard: CIM Annual Meeting, Montreal, Aug. 1996.
5. N.J. Themelis, J.G. Peacey, and Q. Jiao: Quantitative Description of Metal Extraction Processes, H.H. Kellogg Int. Symp., N.J. Themelis and P.F. Duby, eds., TMS, Warrendale, PA, 1991, pp. 331–47.