@book{43131,
	author = {Gaukroger, Stephen. and ebrary, Inc.},
	title = {Descartes' natural philosophy},
	publisher = {Routledge,},
	year = {2002.},
	series = {Routledge studies in seventeenth-century philosophy ;},
	address = {London ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10070614}
}