1. Pope, M. and Swenberg, E., Electronic Processes in Organic Crystals, Oxford: Oxford Univ., 1982.
2. Scher, H. and Montroll, E.W., Phys. Rev. B, 1975, vol. 12, no. 6, p. 2455.
3. Bässler, H., Phys. Status Solidi B, 1981, vol. 107, no. 1, p. 9.
4. Tyutnev, A.P., Vannikov, A.V., and Mingaleev, G.S., Radiatsionnaya elektrofizika organicheskikh dielektrikov (Radiation Electrophysics of Organic Dielectrics), Moscow: Energoatomizdat, 1989.
5. Tyutnev, A.P., Khim. Vys. Energ., 1996, vol. 30, no. 1, p. 5 [High Energy Chem., 1996, vol. 30, no. 1, p. 1].