1. Ch. B. Lushchik, G. G. Liidja, and M. A. Élango, Fiz. Tverd. Tela (Leningrad) 6(8), 2256 (1964) [Sov. Phys. Solid State 6, 1789 (1965)].
2. Ch. B. Lushchik and A. Ch. Lushchik, Electron Excitation Decay with Formation of Defects in Solids (Nauka, Moscow, 1989).
3. A. Lushchik, I. Kudryavtseva, Ch. Lushchik, et al., Phys. Rev. B 52(14), 10069 (1995).
4. A. Lushchik, E. Feldbach, R. Kink, et al., Phys. Rev. B 53(9), 5379 (1996).
5. V. P. Denks, A. É. Dudel’zak, Ch. B. Lushchik, et al., Zh. Prikl. Spektrosk. 24(1), 37 (1976).