1. S. Eketorp:Extraction Metallurgy ’81, Institution of Mining and Metallurgy, London, 1981, pp. 184–92.
2. J. K. Wright, W. T. Denholm, and R. A. McClelland: NERDDC Project End of Grant Report, 1984, 125 p.
3. G. D. Spenceley and P. J. Kreijger:Ironmaking and Steelmaking, 1983, vol. 10(3), pp. 114–23.
4. L. von Bogdandy, K. Brotzmann, and E. Fritz:Steelmaking Proceedings, 1982, vol. 65, pp. 287–95.
5. R.G. Olsson, V. Komp, and T. F. Perzak:Trans. TMS-AIME, 1966, vol. 236, pp. 426–29.