1. R. A. Bergman, “Nickel production from low-iron laterite ores: Process descriptions,” Technical Paper, June/July, 127 (2003).
2. C. J. B. Crowe and T. A. Utigard, “Hydrogen reduction of oxidized nickel concentrates,” Met. Mater. Trans. B 34, 805–811 (2003).
3. M. Kawahara, J. M. Toguri, and R. A. Bergman, “Reducibility of laterite ores,” Met. Trans. B 19, 181–186 (1988).
4. N. A. Filippova, Phase Analysis of Ores and the Products of Their Processing, 2nd ed. (Khimiya, Moscow, 1975).
5. M. I. Popova, Phase Analysis of Ferrous Metal Ores (Nedra, Moscow, 1991).