1. K. Beskow: ‘Formation and chemical development of non-metallic inclusions in ladle treatment of steel’, PhD thesis, ISBN 91–7283-576-1, Royal Institute of Technology, Stockholm, 2003.
2. Y. K. Rao: ‘Stoichiometry and thermodynamics of metallurgical processes’, 1st edn, 892; 1985, New York, Cambridge University Press.
3. The Thermo-Calc databank system