@book{101865,
	author = {Ewald, Francois. and Gollier, Christian.},
	title = {Le principe de precaution /},
	publisher = {Presses universitaires de France,},
	year = {2008.},
	series = {Que sais-je? ;},
	address = {Paris :},
	edition = {2e edition mise áa jour.}
}