1. Agranovich , V. M. and Galanin , M. D. 1978.Migration of Energy of Electronic Excitation in Condensed Media, 384Moscow: Nauka. (Russ)
2. Andre , J.M. and Ladik , J. , eds. 1975.Electronic Structure of Polymers and Molecular Crystals, 704New York and London: Plenum Press. (Eng)
3. Birks , J. B. , ed. 1976.Excited States of Biological Molecules, xviii + 652New York, N. Y.: John Wiley and Sons. (Eng)
4. Blinov , L. M. 1978.Electro and Magneto-Optics of Liquid Crystals, 384Moscow: Nauka. (Russ)