1. E. E. Nikitin,Theory of Elementary Atomic and Molecular Processes in Gases(Oxford Press, Oxford, 1974), Chap. 3.
2. J. T. Yardley,Introduction to Molecular Energy Transfer(Academic, New York, 1980), Chap. 8.
3. J. Simons,Energetic Principles of Chemical Reactions(Jones and Bartlett, Boston, 1983), Chaps. 5–7.
4. M. Baer, inTheory of Chemical Reaction Dynamics(CRC, Boca Raton, 1985), Vol. 2, p. 219.
5. J. Michl and V. Bonacic-Koutecky,Electronic Aspects of Organic Photochemistry(Wiley, New York, 1990).