1. V. A. Loshkarev, A. V. Lyubchenko, and M. K. Sheinkman, Nonequilibrium Processes in Photoconductors (Nauk. Dumka, Kiev, 1981) [in Russian].
2. A. A. Galushka, G. E. Davidyuk, V. T. Mak, V. I. Kuts, and N. S. Bogdanyuk, Fiz. Tekh. Poluprovodn. 9, 2174 (1975) [Sov. Phys. Semicond. 9, 1413 (1975)].
3. Optical Properties of Semiconductors. A Reference Book, Ed. by V. I. Gavrilenko, A. M. Grekhov, D. V. Korbutyak, and V. G. Litovchenko (Nauk. Dumka, Kiev, 1987) [in Russian].
4. R. H. Bube, Photoconductivity of Solids (Wiley, New York, London, 1960; Inostr. Liter., Moscow, 1962).
5. G. E. Davidyuk, N. S. Bogdanyuk, and A. P. Galushka, Fiz. Tekh. Poluprovodn. 17, 506 (1983) [Sov. Phys. Semicond. 17, 316 (1983)].