1. A. B. LeBon and L. N. de Saint-Martin:Microalloying ′75 Proceedings, Union Carbide Corporation, NY, 1977, p. 90.
2. R. W. K. Honeycombe:Metall. Trans. A, 1976, vol. 7A, p. 915.
3. R. W. K. Honeycombe:Met. Sci., 1980, vol. 14, p. 201.
4. T. Greday and M. Lamberigts:Microalloying ′ 75 Proceedings, Union Carbide Corporation, NY, 1977, p. 172.
5. T. M. Hoogendoom and M. J. Spanraft: ibid., p. 75.