1. V. A. Plam,Fundamentals of the Quantitative Theory of Organic Reactions, in Russian (Khimiya, Leníngrad, 1967).
2. M. J. Kamlet, J. L. M. Abboud, and R. W. Taft,Prog. Phys. Org. Chem. 13, 485 (1981).
3. M. J. Kamlet and R. W. Taft,J. Am. Chem. Soc. 98, 377 (1976).
4. R. W. Taft and M. J. Kamlet,J. Am. Chem. Soc. 98, 2886 (1976).
5. R. W. Taft,Prog. Phys. Org. Chem. 14, 247?350 (1983),