1. 2) R. P. Pawlek: Light Metals 2014, TMS, (2014), 1309.
2. 5) K. Grjotheim et al.: Aluminium Electrolysis (The Chemistry of the Hall–Héroult Process), Aluminium-Verlag Düsseldorf, (1977).
3. 6) K. Grjotheim and B. J. Welch: Aluminium Smelter Technology, Aluminium-Verlag Düsseldorf, (1980).
4. 7) A. Tabereaux; Light Metal Age, February 2010, (2010), 1309.
5. 8) M. Reverdy et al.: Light Metals 2013, TMS, (2013), 553.