1. I. Kozasu, C. Ouchi, T. Sampei and T. Okita:Microalloying ’75, M. Korchynsky, Ed., Union Carbide Corporation, New York, 1976, 120.
2. T. G. Oakwood, W. E. Heitmann and E. S. Madrzyk:The Hot Deformation of Austenite, J. Ballance, Ed., TMS—AIME, New York, 1977, 204.
3. E. L. Brown, A. J. DeArdo and J. H. Bucher:Ibid., 250.
4. J. G. Byrne:Recovery, Recrystallization and Grain Growth, MacMillan, New York, 1965, 60.
5. J. J. Jonas, C. M. Sellars and W. J. McG. Tegart:Met Rev., 1969, vol. 14, p. 1.