1. R. Z. Valiev and I. V. Aleksandrov, Nanostructured Materials Produced under Severe Plastic Deformation (Logos, Moscow, 2000) [in Russian].
2. A. M. Glezer, Izv. Akad. Nauk, Ser. Fiz. 71, 1767 (2007).
3. Yu. I. Golovin, Universal Principles of Natural Science (Tambov State University, Tambov, 2002) [in Russian].
4. E. V. Tat’yanin, V. G. Kurdyumov, and V. B. Fedorov, Fiz. Met. Metalloved. 62, 133 (1986).
5. N. A. Smirnova, V. I. Levit, V. P. Pilyugin, R. I. Kuznetsov, L. S. Davydova, and V. A. Sazonov, Fiz. Met. Metalloved. 61, 1170 (1986).