1. A. T. Etienne and P. H. Dauby, 4th International Iron and Steel Congress, pp. 11.1-11.14. The Metals Society, London, 1982.
2. W. Irving, 4th International Iron and Stee Congress, pp. 13.1-13.6. The Metals Society, London, 1982.
3. H.J. Ehrenberg et al., Int. Conf. Metall. Stahl u. Eisen 149-159 (1987).
4. R. Steffen et al., Int. Conf. Metall. Stahl u. Eisen 97-118 (1987).
5. Detection system of slag entrained to teeming stream in continuous casting.