@book{37249,
	author = {Simpson, A. W. B.},
	title = {Reflections on The concept of law},
	publisher = {Oxford University Press,},
	year = {2011.},
	address = {Oxford :},
	url = {http://dx.doi.org/10.1093/acprof:oso/9780199693320.001.0001}
}