1. G.Y. Chin, R. R. Hart, and B. C. Wonsiewicz:Trans. TMS-AIME, 1969,vol. 245, p. 1669.
2. M. Hansen:Constitution of Binary Alloys, 2nd Ed., p. 634, McGraw-Hill Book Co., New York 1958.
3. T. C. Tisone, G. Y. Chin, and B. C. Wonsiewicz: Bell Telephone Laboratories, Inc., Allentown, Pa., unpublished research, 1970.