1. A. Fenerty and E.A. Hollingshead: J. Electrochem. Soc., 1960, vol. 107, pp. 993–97.
2. P.A. Foster, Jr.: J. Am. Ceram. Soc., 1975, vol. 58, pp. 288–91.
3. S.S. Lee, K. Lei, P. Xu, and J.J. Brown: Proc. TMS-AIME, Light Met., 1984, pp. 841–55.
4. E.W. Dewing: J. Electrochem. Soc., 1970, vol. 117, pp. 780–81.
5. K. Grjotheim, C. Krohn, M. Malinovsky, K. Matiasovsky, and J. Thonstad: Aluminum Electrolysis, 2nd ed., Aluminium-Verlag, Duesseldorf, 1982, ch. 2.