1. T.T. Chen and J.E. Dutrizac: Metall. Trans. B, 1989, vol. 20B, pp. 345–61.
2. T.T. Chen and J.E. Dutrizac: in Precious Metals 1989, M.C. Jha and S.D. Hills, eds., TMS-AIME, Warrendale PA, 1989, pp. 377–90.
3. T.T. Chen and J.E. Dutrizac: J. Met., 1990, vol. 42, pp. 39–44.
4. T.T. Chen and J.E. Dutrizac: Copper ’90—Refining, Fabrication and Markets, Institute of Metals, London, 1990, pp. 180–88.
5. J.D. Scott: Metall. Trans. B, 1990, vol. 21B, pp. 629–35.