1. V. M. Biryukov, V. I. Kotov, and Yu. A. Chesnokov, Usp. Fiz. Nauk 164, 1017 (1994) [Phys. Usp. 37, 937 (1994)].
2. A. A. Aseev, M. D. Bavizhev, et al., Preprint No. 87-57, Inst. Fiz. Vysokikh Énergii (IFVÉ) (Serpukhov, 1989).
3. A. G. Afonin, V. M. Biryukov, et al., Preprint No. 98-15, Inst. Fiz. Vysokikh Énergii (IFVÉ) (Serpukhov, 1998).
4. V. G. Baryshevskii, Channeling, Radiation, and Reactions in Crystals under High Energies (Beloruss. Gos. Univ., Minsk, 1982).
5. S. A. Vorob’ev, B. N. Kalipin, S. Pak, et al., Pis’ma Zh. Éksp. Teor. Fiz. 41, 3 (1985) [JETP Lett. 41, 1 (1985)].