1. Grjotheim K, Krohn C, Malinovský M, Matiašovský M, Thonstad J (1977, 1982) Aluminium Electrolysis, 1st Edition 1977, 2nd Edition 1982, Aluminium-Verlag, Düsseldorf
2. Thonstad J, Fellner P, Haarberg GM, Híveš J, Kvande H, Sterten Å(2001) Aluminium Electrolysis, 3rd Edition Aluminium-Verlag, Düsseldorf
3. Kvande H (1989) Current efficiency of alumina reduction cells. In: Campbell PG, Jr (ed) Light Metals 1989. The Minerals, Metals & Materials Society, Pittsburgh
4. Kvande H (1989) Current efficiency of alumina reduction cells. In: Campbell PG, Jr
5. (ed) Light Metals 1989. The Minerals, Metals & Materials Society, Pittsburgh; Springer, New York, p 261-268