1. V. I. Al’shits, E. V. Darinskaya, T. M. Perekalina, and A. A. Urusovskaya, Sov. Phys. Solid State 29, 265 (1987).
2. V. I. Alshits, E. V. Darinskaya, M. V. Koldaeva, and E. A. Petrzhik, in Dislocations in Solids, Ed. by J. P. Hirth (Elsevier, Amsterdam, 2008), Vol. 14, p. 333.
3. Yu. I. Golovin, Phys. Solid State 46, 789 (2004).
4. R. B. Morgunov, Phys. Usp. 47, 125 (2004).
5. V. I. Alshits, E. V. Darinskaya, M. V. Koldaeva, and E. A. Petrzhik, JETP Lett. 104, 353 (2016).