1. R. W. Cahn, R. G. Davies:Phil. Mag., 1960, vol. 5, pp. 119–26.
2. J. M. Popplewell and J. Crane:Met. Trans., 1971, vol. 2, pp. 3411–20.
3. R. R. Hasiguti:J. Japan Inst. Met., 1955, vol. 19, p. 103.
4. H. Warlimont:Proc. 3rd Int. Conf. Strength of Metals and Alloys, vol. 1, pp. 554–58, Inst. Metals and Iron and Steel Inst., London, 1973.
5. T. J. Koppenaal and M. E. Fine:Trans. TMS-AIME, 1961, vol. 221, pp. 1178–85.