1. Maskill, H., The Physical Basis of Organic Chemistry, Oxford: Oxford Univ. Press, 1993, p. 216.
2. Benson, S.W., The Foundations of Chemical Kinetics, New York: McGraw-Hill, 1960.
3. Dvorko, G.F. and Litvinenko, G.S., Zh. Obshch. Khim., 1985, vol. 55, no. 10, p. 1828.
4. Streitwieser, A., Solvolytic Displacement Reactions, New York: McGraw-Hill, 1962, p. 167.
5. Bentley, T.W. and Schleyer, P., V.R, Adv. Phys. Org. Chem., 1977, vol. 4, no. 1, p. 1.