Emokpae, Thomas A.; Eguavoen, Osa; Hirst, Jack
Journal of the Chemical Society, Perkin Transactions 2: Physical Organic Chemistry (1972-1999), 1980 , p. 829 - 831
Denny, William A.; Cain, Bruce F.; Atwell, Graham J.; Hansch, Corwin; Panthananickal, Augustine; Leo, A.
Journal of Medicinal Chemistry, 1982 , vol. 25, # 3 p. 276 - 300