1. 3) Iinoya, K. and A. Nakai: J. of the Soc. of Material Sci., Japan, 18(189), 65 (1969).
2. 4) Iinoya, K., T. Fuyuki and Y. Yamada: Proceedings of Fall Meeting of the Soc. of Powder Tech., Japan, 138 (1988).
3. 5) Patanker, S. V.: “Numerical Heat Transfer and Fluid Flow,” McGraw-Hill, p. 80 (1980).