1. J. Lindhard, Mat.-Fys. Medd.—K. Dan. Vidensk. Selsk. 34, 14 (1965).
2. N. P. Kalashnikov, Coherent Interactions of Charged Particles in Single Crystals (Atomizdat, Moscow, 1981) [in Russian].
3. Y.-H. Ohtsuki, Charged Beam Interaction with Solids (Taylor and Francis, London, 1983; Mir, Moscow, 1985).
4. S. A. Vorob’ev, Channeling of Electron Beams (Energoatomizdat, Moscow, 1984) [in Russian].
5. V. G. Baryshevskii, Channeling, Radiation, and Reactions in Crystals at High Energies (Beloruss. Gos. Univ., Minsk, 1982) [in Russian].