@book{43762,
	author = {De Groot, Jean. and ebrary, Inc.},
	title = {Nature in American philosophy},
	publisher = {Catholic University of America Press,},
	year = {c2004.},
	address = {Washington, D.C. :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10642478}
}