1. J. H. Andrew, H. N. Greenwood, and G. W. Green:J. Iron Steel Inst., 1919, Vol. 100, pp. 231–323.
2. T. F. Pearson:J. Iron Steel Inst., 1959, vol. 191, pp. 219–32.
3. S. N. Singh and K. E. Blazek:Proc. Nat. Open Hearth and Basic Oxygen Steel Conference, pp. 61–68, AIME, vol. 57, 1974.
4. B. H. C. Waters:Met. Treat. Drop Forg., 1953, Vol. 20, pp. 79–83.
5. G. Siebel, D. Altenpohl, and H. M Cohen:Z. Metallkunde, 1953, Vol. 44, pp. 1973–83.