1. K. Grjotheim, C. Krohn, M. Malinovský, K. Matiašovský, and J. Thonstad: Aluminium Electrolysis, Fundamentals of the Hall-Héroult Process, 2nd ed., Aluminium-Verlag, Düsseldorf, 1982, p. 112.
2. S. de Groot and P. Mazur: Non-Equilibrium Thermodynamics, North-Holland, Amsterdam, 1962, p. 57.
3. K. Førland, T. Førland, and S. Kjelstrup Ratkje: Irreversible Thermodynamics, Theory and Applications, John Wiley & Sons, Chichester, 1988, pp. 40 and 58.
4. E. Pezzati, C. Margheritris, and A. Schiraldi: Z. Naturforsch., 1975, vol. 30, p. 388.
5. B. Mogilevski and O. Usmanov: Élektrokhimiya, 1967, vol. 3, p. 1124.