1. E. Tekin and P. M. Kelly:Precipitation From Iron Base Alloys, Metallurgical Soc. Conf. No. 28, pp. 173–221. Gordon and Breach, New York, 1963.
2. J. Nutting:J. Iron Steel Inst., 1969, vol. 207, pp. 872–93.
3. M. G. H. Wells:Acta Met., 1964, vol. 12, pp. 389–99.
4. F. G. Wilson:Martensite Fundamentals and Technology, E. R. Petty, ed., pp. 137-59, Longman, 1970.
5. F. G. Wilson and W. S. Owen:J. Iron Steel Inst., 1965, vol. 203, pp. 590–96.