1. Koneva, N.A. and Kozlov, E.V., in Strukturnye urovni plasticheskoi deformatsii i razrusheniya (Structural Levels of Plastic Deformation and Fracture), Novosibirsk: Nauka, 1990, p. 123.
2. Koneva, N.A. and Kozlov, E.V., Sov. Phys. J., 1990, vol. 33, no. 2, p. 165.
3. Sevillano, J.G., Mater. Sci. Technol., 1994, vol. 6, p. 21.
4. Dini, G., Ueji, R., Najafizadeh, A., and Minir, S.M., Mater. Sci. Eng., A, 2010, vol. 527, p. 2759.
5. Zhao, Y.H., Liao, X.Z., Horita, Z., et al., Mater. Sci. Eng., A, 2008, vol. 493, p. 123.