1. C. M. Sellars, in ?HSLA Steels Metallurgy and Applications?, edited by J. M. Gray (ASM International, Metals Park, OH, 1986) p. 73.
2. M. Cohen andS. A. Hansen,ibid.?, p. 61.
3. B. Campillo, J. L. Albarr'an, D. López, F. Estévez andL. Martínez,Scripta Metall. 23 (1989) 1363.
4. J. L. Albarrán, B. Campillo, F. Estévez andL. Martínez,ibid. 23 (1989) 1143.
5. P. E. Repas, in ?Microalloyed HSLA Steels, Proceedings of Microalloying 88? (ASM International, Metals Park, OH, 1988) p. 3.