1. 1. Filippov, S.I. (1967) Theory of metallurgical processes. Moscow, Metallurgiya [in Russian].
2. 2. Velichko, A.G. (2005) Out-of-furnace steel treatment. Dnepropetrovsk, Sistemnye Tekhnologii [in Russian].
3. 3. Okhotsky, V.B., Kostyolov, O.L., Simonov, V.K. (1997) Theory of metallurgical processes. Kyiv, IZMN [in Ukrainian].
4. 4. Knyuppel, G. (1973) Deoxidation and vacuum treatment of steel. Moscow, Metallurgiya [in Russian].
5. 5. Vacher, H.C. (1933) The system liquid iron-carbon oxides. US Bureau of Standards J. Res., 11, 541-551.