1. V. A. Komarov, in Thermoelectrics and their Applications, Proceedings of the 8th International Seminar, November 2002 (Fiz. Tekh. Inst. im. A. F. Ioffe RAN, St. Petersburg, 2002), p. 237.
2. N. S. Kablukova, V. A. Komarov, E. V. Demidov, and E. E. Khristich, Izv. Ros. Ped. Univ. im. A. I. Gertsena 153 (2), 13 (2012).
3. V. M. Grabov, V. A. Komarov, and N. S. Kablukova, Phys. Solid State 58, 622 (2016).
4. N. B. Brandt, V. A. Kul’bachinskii, and N. Ya. Minina, JETP Lett. 26, 162 (1977).