1. D.H. St. John and P.C. Hayes:Metall. Trans. B. 1981, vol. 13B, pp. 117–24.
2. D. H. St. John, S. P. Matthew, and P. C. Hayes:Proc. Intl. Symp. on Physical Chemistry of Iron and Steelmaking, Toronto, 1982, Met. Soc. C.I.M., 1982, pp. II. 8–15.
3. D.H. St. John, S.P. Matthew, and P.C. Hayes:Metall. Trans. B, 1984, vol. 15A, pp. 701–09.
4. H.K. Kohl and H.J. Engell:Archiv. Eisenh., 1963, vol. 34, pp. 411–18.
5. M. Wilberg:Jernkon. Ann., 1940, vol. 124. pp. 172–212.