1. 2) C.S. CARTER: Met. Trans., 1 (1970), p.1551
2. 4) D.R. SQUIRES and E.A. WILSON: Met. Trans., 3 (1971), p.575
3. 5) H.C. FENG, E.A. WILSON, and C.J. MCMAHON: Proc. 3rd lnt. Conf. of Strength of Metals and Alloys, (1974), p.129
4. 7) V.M. KARDONSKY and M.D. PARKAS: Phys. Metals Matallog., 19 (1965), 2, p.133
5. 8) A.F. YEDNERAL, V.M. KARDONSKY, and M.D. PARKAS: Phys. Metals Metallog., 24 (1967), 4, p.85