1. L. S. Darken: Edgar C. Bain Laboratory for Fundamental REsearch, U.S. Steel Corp., Monroeville, Pa., unpublished research.
2. V. Giedroyc and T. E. Dancy:J. Iron Steel Inst., 1951, vol. 169, pp. 353–59.
3. B. Railing, C. Danielsson, and O. Dagge:AIME Trans., 1951, vol. 191, pp. 732–38.
4. B. Trentini, L. Wahl, and M. Allard:AIME Trans., 1957, vol. 209, pp. 1133–39.
5. R. G. Ward and R. Hall:J. Iron Steel Inst., 1960, vol. 195, pp. 75–78.