1. A. I. Anselm, Introduction to Semiconductor Theory (Prentice-Hall, Englewood Cliffs, 1981; Nauka, Moscow, 1978).
2. V. I. Kaidanov and S. A. Nemov, Fiz. Tekh. Poluprovodn. 15, 542 (1981) [Sov. Phys. Semicond. 15, 306 (1981)].
3. V. I. Kaidanov and Yu. I. Ravich, Usp. Fiz. Nauk 145, 51 (1985) [Sov. Phys. Usp. 28, 31 (1985)].
4. V. I. Kaidanov, S. A. Nemov, and Yu. I. Ravich, Fiz. Tekh. Poluprovodn. 26, 201 (1992) [Sov. Phys. Semicond. 26, 113 (1992)].
5. S. A. Nemov and Yu. I. Ravich, Usp. Fiz. Nauk 168, 817 (1998) [Phys. Usp. 41, 735 (1998)].