1. V. I. Kaidanov and Yu. I. Ravich, Usp. Fiz. Nauk 145, 51 (1985) [sic].
2. V. I. Kaidanov, S. A. Nemov, and Yu. I. Ravich, Fiz. Tekh. Poluprovodn. 26, 201 (1992) [Sov. Phys. Semicond. 26, 113 (1992)].
3. V. I. Kaidanov, S. A. Nemov, and A. M. Zaitsev, Fiz. Tekh. Poluprovodn. 19, 268 (1985) [Sov. Phys. Semicond. 19, 165 (1985)].
4. I. A. Drabkin and B. Ya. Moizhes, Fiz. Tekh. Poluprovodn. 15, 625 (1981) [Sov. Phys. Semicond. 15, 357 (1981)].
5. Yu. I. Ravich, B. A. Efimova, and I. A. Smirnov, Methods of Semiconductor Investigation as Applied to the Lead Chalcogenides PbTe, PbSe, and PbS [in Russian], Nauka, Moscow, 1968.