1. Th. Förster, Ann. Phys. (Leipzig) 2, 55 (1948).
2. D. L. Dexter, J. Chem. Phys. 21, 836 (1953).
3. V. L. Ermolaev, E. N. Bodunov, E. B. Sveshnikova, and T. A. Shakhverdov, Nonradiative Electronic Excitation Energy Transfer (Nauka, Leningrad, 1977) [in Russian].
4. M. D. Galanin, Luminescence of Molecules and Crystals (CISP, Cambridge, 1996).
5. M. M. Rikenglaz and I. M. Rozman, Opt. Spectrosc. 36, 100 (1974).