1. Yu. R. Kolobov, R. Z. Valiev, G. P. Grabovetskaya, et al., Grain-Boundary Diffusion and Properties of Nanostructured Materials (Nauka, Novosibirsk, 2001; Cambridge International Science, Cambridge, 2008).
2. R. Z. Valiev and I. V. Aleksandrov, Nanomaterials Produced by Severe Plastic Deformation (Logos, Moscow, 2000) [in Russian].
3. R. Z. Valiev and I. V. Aleksandrov, Bulk Nanostructured Metal Materials: Formation, Structure, and Properties (Akademkniga, Moscow, 2007) [in Russian].
4. V. M. Segal, V. I. Reznikov, A. E. Drobyshevskii, and V. I. Kopylov, “Plastic Treatment of Metals by Simple Shear,” Izv. Akad. Nauk SSSR, Met., No. 1, 115–123 (1981).
5. Yu. R. Kolobov, N. V. Girsova, K. V. Ivanov, et al., “Peculiarities of Structure and Mechanical Properties of Submicrocrystalline Nickel Obtained by Severe Plastic Deformation,” Izv. Vyssh. Uchebn. Zaved., Fiz. 45(6), 11–16 (2002).