1. 1) Z. Nishiyama: Martensitic transformation, Application Series, Maruzen, Tokyo, (1974), p. 63.
2. 2) H. I. Aaronson and G. W. Lorimer: Scripta Metall., 6 (1972), 1091.
3. 3) T. Shigematsu and N. Nakanishi: JJAP, Series 2 (1989), 159.
4. 4) N. Nakanishi, T. Shigematsu, T. Sugimura and H. Okinaka: J. Jap. Soc. Powder and Powder Met., 33 (1986), 356.
5. 5) K. Kuroda, H. Saka, S. Iio, M. Watanabe and T. Imura: Proc. ICOMAT-86, Japan Inst. Metals, (1986), p. 1161.