1. I. P. Chernov et al., Fiz. Tekh. Poluprovodn.,14, 2271 (1980).
2. P. A. Cherdantsev, I. P. Chernov, and A. P. Mamontov,ibid.,16, 480 (1982).
3. P. Cherdansev, I. Chernov, and A. Mamontov, Rad. Effects,60, 67 (1982).
4. M. S. Koval'chenko et al., Radiation Damage to Refractory Compounds [in Russian], Atomizdat, Moscow (1979).
5. D. I. Blokhintsev, The Principles of Quantum Mechanics [in Russian], Nauka, Moscow (1976).