1. A. B. Guchmazov, Kh.-A. Rodriges, and V. D. Rumyantsev, Fiz. Tekh. Poluprovodn. 25, 143 (1991) [Sov. Phys. Semicond. 25, 84 (1991)].
2. V. S. Kalinovsky, V. M. Andreev, V. V. Evstropov, N. A. Kaluzhniy, V. P. Khvostikov, V. M. Lantratov, and S. A. Mintairov, in Proc. of the 22nd Eur. Photovoltaic Solar Energy Conf. (Milan, Italy, 2007), p. 675.
3. V. S. Kalinovsky, V. M. Andreev, V. V. Evstropov, V. P. Khvostikov, and V. M. Lantratov, in Proc. of the 3rd World Conf. Photovolt. Energy Conv. (Osaka, Japan, 2003), Paper 3pb534.
4. V. M. Andreev, V. A. Grilikhes, and V. D. Rumyantsev, Photovoltaic Conversion of Concentrated Sunlight (Wiley, New York, 1997), ch. 1.4.
5. S. M. Sze, Physics of Semiconductor Devices (Wiley, New York, 1981), ch. 14.2.