1. J. Lindhard, K. Dan. Vidensk. Selsk., Mat.-Fys. Medd. 34, 1 (1965).
2. N. P. Kalashnikov, Coherent Interactions of Charged Particles in Single Crystals (Atomizdat, Moscow, 1981) [in Russian].
3. V. G. Baryshevskii, Channeling, Radiation, and Reactions in Crystals at High Energy (Beloruss. Gos. Univ., Minsk, 1982) [in Russian].
4. S. A. Vorob’ev, Channeling of Electron Beams (Energoatomizdat, Moscow, 1984) [in Russian].
5. V. A. Bazylev and N. K. Zhivago, Radiation of Fast Particles in Matter and in External Fields (Nauka, Moscow, 1987) [in Russian].