1. N. Selar, Infrared Phys. 167, 435 (1976).
2. V. S. Vavilov, I. P. Kekelidze, and L. S. Smirnov, Effect of Radiation on Semiconductors [in Russian], Nauka, Moscow, 1988.
3. A. A. Lebedev, A. T. Mamadalimov, and Sh. Makhkamov, Fiz. Tekh. Poluprovodn. 8, 262 (1974) [Sov. Phys. Semicond. 8, 169 (1974)].
4. G. B. Gorlin, V. T. Tulanov, and Kh. B. Siyabekov, Zh. Tekh. Fiz. 67, 142 (1997) [Tech. Phys. 42, 1239 (1997)].
5. Yu. A. Astrov, A. A. Lebedev, A. T. Mamadalimov, Sh. S. Kasymov, and L. G. Paritskii, Deposited in All-Union Institute of Scientific and Technical Information, No. 2463-75 (1975).