1. I. A. Kudryavtseva, E. A. Vasil’chenko, A. Ch. Lushchik, and Ch. B. Lushchik, Fiz. Tverd. Tela (S.-Peterburg) 41(3), 433 (1999).
2. Ch. B. Lushchik and A. Ch. Lushchik, Decay of Electron Excitations with the Formation of Defects in Solids [in Russian] (Nauka, Moscow, 1989).
3. A. V. Gektin, Fiz. Tverd. Tela (Leningrad) 27(11), 3254 (1985).
4. K. Tanimura, T. Hagihara, M. Fujiwara, and T. Okada, J. Appl. Phys. 49(11), 5452 (1978).
5. J. S. Nadeau, J. Appl. Phys. 37(4), 1602 (1966).