@book{90946,
	author = {Hitchcock, Christopher},
	title = {Contemporary debates in philosophy of science},
	publisher = {Blackwell Pub.},
	year = {2004},
	series = {Contemporary debates in philosophy},
	address = {Malden (Massachusetts, Estados Unidos)},
	url = {http://www.loc.gov/catdir/toc/ecip047/2003016800.html}
}