1. COOLEY, N.R., J.M. KELTNER, and J. FORESTER: J. Protozool.19, 636 (1972).
2. HANSCH, C.: Acc. Chem. Res.2, 232 (1969).
3. HANSCH, C., and T. FUJITA: J. Am. Chem. Soc.86, 1616 (1964).
4. HANSCH, C., and A. LEO: Substituent Constants for Correlation Analysis in Chemistry and Biology. New York: Wiley (1979).
5. KIER, L.B.: Molecular Connectivity as a Description of Structure for SAR Analysis. In S. H. Yalkowsky (ed.): Physical Chemical Properties of Drugs, p. 277 New York: Marcel Dekker (1980).