1. K. Grjotheim and B. J. Welch, Aluminium Smelter Technology: A Pure and Applied Approach, 2nd edn. (Düsseldorf: Aluminium-Verlag, 1988), pp. 3–7.
2. K. Grjotheim and H. Kvande, Introduction to Aluminium Electrolysis: Understanding the Hall-Hérloult Process, 1st edn. (Düsseldorf: Aluminium-Verlag, 1993), pp. 1–5.
3. G.P. Tarcy, H. Kvande, and A. Tabereaux, JOM 63, 101 (2011).
4. G.P. Bearne, JOM 51, 16 (1999).
5. H. Zhang, T. Li, J. Li, S. Yang, and Z. Zou, JOM 69, 292 (2017).