1. W. C. Leslie, R. J. Sober, S. G. Babcock, and S. J. Green:Trans. ASM, 1969, vol. 62, p. 690.
2. W. C. Leslie and R. J. Sober:Trans. ASM, 1967, vol. 62, p. 99.
3. W. D. Biggs:The Brittle Fracture of Steel, p. 290, Macdonald and Evans, London, 1960.
4. J. R. Rellick and C. J. McMahon, Jr.:Met. Trans., 1970, vol. 1, p. 929.
5. C. J. McMahon, Jr.:Acta Met. 1966, vol. 14, p. 839.