@book{590405,
	author = {Twining, William,},
	title = {General jurisprudence :},
	publisher = {Cambridge University Press,},
	year = {2009.},
	series = {Law in context},
	address = {Cambridge, UK ;},
	url = {http://www.loc.gov/catdir/enhancements/fy0903/2008053264-t.html}
}