1. O. A. Golikova, A. N. Kuznetsov, V. Kh. Kudoyarova, and M. M. Kazanin, Fiz. Tekh. Poluprovodn. (St. Petersburg) 31, 816 (1997) [Semiconductors 31, 691 (1997)].
2. O. A. Golikova, M. M. Kazanin, A. N. Kuznetsov, and E. V. Bogdanova, Fiz. Tekh. Poluprovodn. (St. Peters-burg) 34(9), 1125 (2000) [Semiconductors 34, 1085 (2000)].
3. V. A. Terekhov, Asuthor’s Abstract of Candidate’s Dissertation (Voronezh, 1994).
4. R. Tsu, J. Non-Cryst. Solids 97/98, 163 (1987).
5. O. A. Golikova and V. Kh. Kudoyarova, Fiz. Tekh. Poluprovodn. (St. Petersburg) 32, 876 (1998) [Semiconductors 32, 779 (1998)].