1. K. T.-Y. Kung and R. Reif, J. Appl. Phys. 62, 1503 (1987).
2. K. T.-Y. Kung and R. Reif, J. Appl. Phys. 63, 2131 (1988).
3. D. A. Pavlov, V. G. Shengurov, D. V. Shengurov, and A. F. Khokhlov, Fiz. Tekh. Poluprovodn. (St. Petersburg) 29, 286 (1995) [Semiconductors 29, 142 (1995)].
4. D. V. Shengurov, Pis’ma Zh. Tekh. Fiz. 23(11), 83 (1997) [Tech. Phys. Lett. 23, 450 (1997)].
5. D. V. Shengurov, D. A. Pavlov, V. N. Shabanov, et al., Fiz. Tekh. Poluprovodn. (St. Petersburg) 32, 627 (1998) [Semiconductors 32, 562 (1998)].