1. M. Hansen:Constitution of Binary Alloys, p. 541, McGraw-Hill Book Co., New York, 1958.
2. W. C. Phebus and F. C. Blake:Phys. Rev., 1926, vol. 27, p. 798.
3. S. Nishigori and M. Hamasumi:Sci. Rept., Tohoku Univ., 1929, vol. 18, p. 491.
4. F. Wever and W. Jellinghaus:Mitt. Kaiser-Wilhelm-Inst. Eisenforsch., 1931, vol. 13, p. 93.
5. E. R. Jette, V. H. Nordstrom, B. Quenau, and F. Foote:AIME Trans., 1934, vol. 111, p. 361.