p81.
See David Fleming, “The Economics of Taking Care”, in David Freestone and Ellen Hey, eds. (1995), The Precautionary Principle and International Law. For a critical evaluation of case studies on the precautionary principle, see Poul Harremoës, David Gee, Malcolm MacGarvin, et al., eds. (2002), The Precautionary Principle in the 20th Century.