1. K.F. Kelton, in: J.H. Westbrook, R.L. Fleischer (Eds.), Crystal Structures of Intermetallic Compounds, Wiley, New York, 2000, pp. 229–265.
2. J.W. Christian, The Theory of Transformations in Metals and Alloys, Pergamon Press, Oxford, 1975, pp. 136–137.