Horsfall, James Gordon.
Principles of fungicidal action
Chronica Botanica, 1956
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Microeconomic principles in action
[edited by] Robert L. Moore and James D. Whitney
Prentice-Hall, 1990
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Principles of drug action : the basis of pharmacology
edited by William B. Pratt and Palmer Taylor
Churchill Livingstone, 1990
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Goldstein, Avram
Principles of drug action : the basis of pharmacology
John Wiley & Sons, 1974
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Smidak, Emil F.
J 'Accuse environment and Smidak principles: power and responsibility, action and re-action
Avenira Foundation for Research of Human Society, 1996
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