1. N. A. Smirnova, V. I. Levit, V. P. Pilyugin, R. I. Kuznetsov, and M. V. Degtyarev “Features of low-temperature recrystallization of nickel and copper,” Fiz. Met. Metalloved. 62, 566–570 (1986).
2. N. M. Amirkhanov, R. K. Islamgaliev, and R. Z. Valiev, “Thermal relaxation and grain growth upon isothermal annealing of ultrafine-grained copper produced by severe plastic deformation,” Phys. Met. Metallogr. 86, 296–301 (1998).
3. M. V. Degtyarev, L. M. Voronova, V. V. Gubernatorov, and T. I. Chashchukhina, “On the thermal stability of the microcrystalline structure in single-phase metallic materials,” Phys.-Dokl. 47, 647–650 (2002).
4. V. N. Chuvil’deev, V. I. Kopylov, A. V. Nokhrin, I. M. Makarov, L. M. Malashenko, and V. A. Kukareko, “Recrystallization in microcrystalline copper and nickel produced by equal-channel angular pressing: I. Structural investigations. Effect of anomalous growth,” Phys. Met. Metallogr. 96, 486–495 (2003).
5. R. Z. Valiev and I. V. Aleksandrov, Nanostructured Materials Obtained by Severe Plastic Deformation (Logos, Moscow, 2000) [in Russian].