1. A. Meghlaoui, R.T. Bui, J. Thibault, L. Tikasz, and R. Santerre: Metall. Mater. Trans. B, 1997, vol. 28B, pp. 215–21.
2. K. Grjotheim and H. Kvande: Introduction to Aluminum Electrolysis, 2nd ed, Aluminum-Verlag, Düsseldorf, 1993.
3. A. Ek and G.E. Fladmark: Light Metals, TMS, Warrendale, PA, 1973, pp. 85–104.
4. E.A. Sorhelm and P. Borg: Light Metals, TMS, Warrendale, PA, 1989, pp. 379–84.
5. T. Hashimoto and H. Ikeuchi: Light Metals, TMS, Warrendale, PA, 1981, pp. 273–83.