1. V. N. Bessolov and M. V. Lebedev, Fiz. Tekh. Poluprovodn. (St. Petersburg) 32, 1281 (1998) [Semiconductors 32, 1141 (1998)].
2. B. J. Skromme, C. J. Sandroff, E. Yablonovich, and T. J. Gmitter, Appl. Phys. Lett. 51, 2022 (1987).
3. E. Yablonovitch, C. J. Sandroff, R. Bhat, and T. Gmitter, Appl. Phys. Lett. 51, 439 (1987).
4. B. I. Sysoev, N. N. Bezryadin, G. I. Kotov, and V. D. Strygin, Fiz. Tekh. Poluprovodn. (St. Petersburg) 27, 131 (1993) [Semiconductors 27, 69 (1993)].
5. B. I. Sysoev, N. N. Bezryadin, G. I. Kotov, and V. D. Strygin, Fiz. Tekh. Poluprovodn. (St. Petersburg) 29, 24 (1995) [Semiconductors 29, 12 (1995)].