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2. M. Bamberger, B. Z. Weiss and M. M. Stupel, to be published.
3. M. Hansen, in ?Constitution of Binary Alloys?, (McGraw-Hill, New York, 1968) pp. 84 and 132.
4. R. E. Spear and G. R. Gardner, Amer. Foundryman Soc. Trans. 71 (1963) 209.
5. W. Kurz and D. J. Fisher, Acta Metall. 29 (1981) 11.