1. A. A. Babushkin, P. A. Bazhulin, F. A. Korolev, L. V. Levshin, V. K. Prokof’ev, and A. R. Striganov, Methods of Spectral Analysis (Mosk. Gos. Univ., Moscow, 1962) [in Russian].
2. V. E. Ogluzdin, Kratk. Soobshch. Fiz., No. 12, 3 (2003).
3. V. E. Ogluzdin, Zh. Éksp. Teor. Fiz. 79, 361 (1980) [Sov. Phys. JETP 52, 181 (1980)].
4. S. I. Vavilov, Collected Works (Akad. Nauk SSSR, Moscow, 1952), Vol. 2 [in Russian].
5. V. E. Ogluzdin, in Proceedings of IV International Conference on Amorphous and Microcrystalline Semiconductors (S.-Peterb. Gos. Pedagog. Univ., St. Petersburg, 2004), p. 131.