1. W. L. Bradley and M. N. Srinivasan:Int. Mater. Rev., 35, (1990), 3, 129.
2. T. Kobayashi: Physical Metallurgy of Cast Iron V, SCITEC Pub., (1997), 47.
3. T. Kobayashi:Trans. ISIJ, 16, (1976), 138.
4. T. Kobayashi and H. Yamamoto:Int. J. Mat. Prod. Techn., 14, (1999), 320.
5. H. Nishitani, S. Harada and T. Kobayashi: Strength of Ductile Cast Iron and Other Cast Metals. JSME-MMD, 1993.