@book{14382,
	author = {Pethig, Rüdiger. and European Science Foundation.},
	title = {Valuing the environment :},
	publisher = {Kluwer Academic Publishers,},
	year = {c1994.},
	address = {Dordrecht ;},
	note = {"Under the auspices of the European Science Foundation"--Cover.},
	url = {http://www.loc.gov/catdir/enhancements/fy0821/93038948-d.html}
}