1. A.T. Churchman:Proc. R. Soc. London, 1954, vol. 216, pp. 216–26.
2. E.D. Levine:IME Trans., 1966, vol. 236, pp. 1558–64.
3. T. Tanaka and H. Conrad:Acta. Metall., 1972, vol. 20, pp. 1019–29.
4. A. Akthar and E. Teghtsoonian:Metall. Trans. A, 1975, vol. 6A, pp. 2201–08.
5. A. Akthar:Metall. Trans. A, 1975, vol. 6A, pp. 1105–13.