@book{46039,
	author = {Cartwright, Nancy},
	title = {Hunting causes and using them: approaches in philosophy and economics},
	publisher = {Cambridge University Press},
	year = {2007},
	address = {Cambridge:},
	note = {Includes bibliographical references (p. 262-267) and index.},
	url = {http://www.loc.gov/catdir/enhancements/fy0729/2007279494-b.html}
}