1. A. Crum-Brown and T. Fraser, On the Connection between Chemical Constitution and Physiological Action, Trans. R. Soc., Edinburgh 25, 151–155 (1869).
2. C. Hansch, Quantitative Approaches to Pharmacological Structure-Activity Relationships, in: Structure-Activity Relationships, International Encyclopedia of Pharmacology and Therapeutics, section 5, Vol. 1 (Ed. C.J. Cavallito; Pergamon Press, Oxford 1973 ), p. 75–165.
3. J. Parascandola, The Evolution of Stereochemical Concepts in Pharmacology, in: The van’t Hoff-Le Bel Centennial (Ed. O.B. Ramsay; A.C.S. Symposium Series, No. 12, 1975 ).
4. A.R. Cushny, Biological Relations of Optically Isomeric Substances ( Williams and Wilkins, Baltimore 1926 ).
5. A.H. Beckett, Stereochemical Factors in Biological Activity, Prog. Drug Res. 1, 455–530 (1959).