1. I. G. Csizmadia, J. Mol. Struct. (Theochem),138, 1?11 (1986).
2. J. M. Bowman, Acc. Chem. Res.,19, 202?208 (1986).
3. L. B. Harding and W. C. Ermler, J. Comput. Chem.,6, 13?27 (1985).
4. E. Grunwald, D. F. Dever, and P. M. Keehn, Megawatt Infrared Laser Chemistry, Wiley, New York (1978).
5. V. I. Minkin and R. M. Minyaev, Nonclassical Structures of Organic Compounds [in Russian], Izd. RGU, Rostov-on-Don (1985).