1. C. G. Bieber and R. F. Decker:Trans. TMS-AIME, 1961, vol. 221, pp. 629–36.
2. J. A. Cordier and J. Chipman:J. Metals, 1955, vol. 8, pp. 905–07.
3. C. B. Alcock and L. L. Cheng:J. Iron Steel Inst, 1960, vol. 195, pp. 169–73.
4. V. Y. Dashevskiy and A. Y. Polyakov:Izvest. Akad. Nauk SSR Metally, 1966, vol. 5, pp. 34–41.
5. J. P. Hager and J. F. Elliott:Trans. TMS-AIME, 1967, vol. 239, pp. 513–20.