@book{88461,
	author = {Coleman, Jules L.},
	title = {The Oxford Handbook of jurisprudence and philosophy of law},
	publisher = {Oxford University Press},
	year = {2002},
	address = {Oxford (Oxfordshire, Inglaterra)},
	url = {http://www.loc.gov/catdir/enhancements/fy0614/2002283629-t.html}
}