5 Tanaka, T.; Tabata, N.; Hatamura, T.; Shiga, C., Micro Alloying 75． Proc. of an International Symposium on High-Strength Low-alloy Steels, Wash., 1975． Sponsored by Union Carbide Corporation Metal Division, etc, New York, Union Carbide Corporation, 1977, p. 107-118．
[6]
6 Baker, T, N.; Hot Working And Forming Processes, Ed.Sellars, C.M.; Davies, G. J., The Metals Society, London, 1979, p. 32．
[7]
7 Hornbogen, E., Strength of Metals and Alloy, Vol. 2, Proc. of the 5th Int. Conf. on Strength of Metals and Alloys. Aachen, W.Germany, 1979, Eds. Heasen, P.;Gerold, V.; Kostorz. G., p. 1661-1680．
[8]
8 Kocks, U.F., Ibid., Vol. 3． 1979, p. 1661-1680．
[9]
9 Picketing, F.B.; Gladman, T., Metallurgical developments in carbon steels, Held by the Carbon Steels Committee of the British Iron and Steel Research Association and the Iron and Steel Institute, Harrogate, May 15-16 1963, p. 10．
