Funtowicz&Ravetz1994
Funtowicz, S. & J-R. Ravetz (1994). Uncertainty, complexity and post-normal science. Environmental Toxicology and Chemistry 13:12, 1881-1885. http://www.andreasaltelli.eu/file/repository/Funtowicz_et_al_1994_Environmental_Toxicology_and_Chemistry.pdf