@book{36457,
	author = {Steward, Helen.},
	title = {A metaphysics for freedom /},
	publisher = {Oxford University Press,},
	year = {2012.},
	address = {Oxford :},
	note = {Includes index.},
	url = {http://dx.doi.org/10.1093/acprof:oso/9780199552054.001.0001}
}