1. Fan, H.Y., Spitzer, W., and Collins, R.J., Phys. Rev., 1956, vol. 2, p. 101.
2. Rosenberg, R. and Lax, M., Phys. Rev., 1958, vol. 12, p. 843.
3. Opticheskie yavleniya v opticheskikh kvanto-razmernykh strukturach (Photoelectrical Phenomena in Semiconductor and Quantum-Dimensional Structures), Ivchenko E. L. and Vorob’ev L. E., Eds., SPSTU, 2000.
4. Asano, T., Noda, S., and Sasaki, A., Physica E, 1998, vol. 2, p. 111.
5. Intersubband Transitions in Quantum Structures, Paella, R., ed., New York McGraw-Hill, 2006.