1. Leffler J. E., Grunwald E., Rates and Equilibria of Organic Reactions. New York: Wiley. 1963.
2. Amis E. S., Solvent Effects on Reaction Rates and Mechanisms. New York: Academic Press. 1966.
3. Palm V. A., Osnovi kolichestvennoi teorii organicheskikh reaktsii, 2nd ed. Leningrad: Khimiya. 1977.
4. Reichardt C., Solvent Effects in Organic Chemistry. Weinheim: Verlag Chemie. 1979.
5. Koppel I. A., Palm V. A., Advances in Linear Free Energy Relationships (Chapman N. B., Shorter J., eds.). London: Blenum Press. 1972.