1. W. Elber: Eng. Fract. Mech., 1970, vol. 2, pp. 37–45.
2. ASTM STP;W. Elber,1971
3. S. Suresh: in Materials Science and Technology, vol. 6, Plastic Deformation and Fracture of Materials, R.W. Cahn, P. Haasen, and E.J. Kramer, eds., VCH Verlagsgesellschaft mbH, Weinheim, 1993, pp. 281–350.
4. S. Suresh, G.F. Zamiski, and R.O. Ritchie: Metall. Trans. A, 1981, vol. 12A, pp. 1435–43.
5. H. Kobayashi, H. Tsuji, and K.D. Park: in Fracture and Strength ’90, Key Engineering Materials, Vols. 51 and 52, K.Y. Lee and H. Takahashi, eds., Trans Tech Publications, Zürich, 1990, pp. 355–60.