1. M. Hansen, Constitution of Binary Alloys, S. 303. New York: McGraw-Hill (1958).
2. R. P. Elliott, Constitution of Binary Alloys, First Supplement, S. 177. New York: McGraw-Hill. 1965.
3. F. A. Shunk, Constitution of Binary Alloys, Second Supplement, S. 124. New York: McGraw-Hill. 1969.
4. N. W. Taylor, J. Amer. Chem. Soc.45, 2865 (1923).
5. J. F. Elliott undJ. Chipman, Trans. Faraday Soc.47, 138 (1951).