1. G. Canova and J.J. Jonas: Technical Report AFWAL-TR-81-4130, Battelle’s Columbus Laboratories, Columbus, OH, October 1981, p. 193.
2. E. N. C. Dalder: Ph.D. Thesis, Department of Metallurgical Engineering, The Ohio State University, Columbus, OH, 1973.
3. R. H. Ernst and J.W. Spretnak:Trans. Iron Steel Inst. Jap., 1969, vol. 9, p. 361.
4. D. Häuser: Ph.D. Thesis, Department of Metallurgical Engineering, The Ohio State University, Columbus, OH, 1973.
5. EN. Rhines and P.J. Wray:Trans. ASM, 1961, vol. 54, p. 117.