1. in Drug Design, Ed., Academic, New York, 1971, Vol. 1, p. 1.
2. and , in Recent Experimental and Theoretical Developments, , and , Eds., North-Holland, Amsterdam, 1979, p. 1.
3. in Biological Activity and Chemical Structure, Ed., North-Holland, Amsterdam, 1977, p. 37.
4. in Drug Design, Ed., Academic, New York, 1971, Vol. 1, p. 271.
5. and , Substituent Constants for Correlation Analysis in Chemistry and Biology, Wiley, New York, 1979.