1. B. Terry, A.J. Monhemius, and A.R. Burkin: in Extractive Metallurgy of Nickel, A.R. Burkin, ed., The Society of Chemical Industry, John Wiley and Sons, New York, NY, 1987, pp. 1–6.
2. B. Terry: in Extractive Metallurgy of Nickel, A.R. Burkin, ed., The Society of Chemical Industry, John Wiley and Sons, New York, NY, 1987, pp. 7–50.
3. C.M. Diaz, C.A. Landolt, A. Vahed, A.E.M. Warner, and J.C. Taylor: in Extractive Metallurgy of Nickel and Cobalt, G.P. Tyroler and C.A. Landolt, eds., TMS, Warrendale, PA, 1988, pp. 211–39.
4. R.A. Alcock: in Extractive Metallurgy of Nickel and Cobalt, G.P. Tyroler and C.A. Landolt, eds., TMS, Warrendale, PA, 1988, pp. 67–89.
5. D.I. Bleiwas: Bureau of Mines Information Circular, Rept. No. IC9276, U.S. Dept. of the Interior, Bureau of Mines, Wash., D.C. 20241, 1991, pp. 1–52.