1. M. M. Myshlyaev, W. A. Stepanov, and V. V. Shpeizman, Phys. Status Solidi A 3, 393 (1971).
2. J. Friedel, Dislocations (Pergamon, Oxford, 1964; Mir, Moscow, 1967).
3. V. I. Trefilov, V. F. Moiseev, et al., Deformation Hardening and Fracture of Polycrystalline Metals (Naukova Dumka, Kiev, 1987) [in Russian].
4. G. A. Malygin, Fiz. Met. Metalloved. 34, 191 (1972).
5. G. A. Malygin, G. V. Vladimirova, and N. N. Privalova, Fiz. Met. Metalloved. 55, 1005 (1983).