1. N. Kino, M. Yamada, Y. Tokunaga, and H. Tsuchiya, Metallurgy of Vacuum-Degassed Steel Products (ed., R. Pradhan), p. 197–213, The Minerals, Metals & Materials Society (1990).
2. H. Takechi, Proc. of the Int’l Forum for Physical Metallurgy of IF Steels, p. 1–8, ISIJ, Tokyo (1994).
3. L. J. Baker, S. R. Daniel, and J. D. Parker, Mater. Sci. Tech. 18, 355 (2002).
4. K. Tanikawa, Y. Hosoya, and T. Koike, NKK Tech. Review 72, 10 (1995).
5. A. H. Cottrell and B. A. Bilby, Proc. Phys. Soc. 62, 49 (1949).