1. Betterton, J. O. and Hume-Rothery, W.J. Inst. Met., 1951,80, 459.
2. Bradley, A. J. and Lu, S. S... Ibid., 1937,60, 319;Z. Krist., 1937,96, 20.
3. Hansen, M. and Anderko, K...Constitution of Binary Alloys, McGraw-Hill Book Company, Inc., New York, Toronto, London, 1958, p. 1266.
4. Hume-Rothery, W., Betterton, J. O. and Reynolds, J.J. Inst. Met., 1951,80, 609.
5. Koester, W. and Wachtel, E...Z. Metallkunde, 1960,51, 271.