@book{38709,
	author = {Aspremont, Jean d'.},
	title = {Formalism and the sources of international law},
	publisher = {Oxford University Press,},
	year = {2011.},
	series = {Oxford monographs in international law},
	address = {Oxford :},
	url = {http://dx.doi.org/10.1093/acprof:oso/9780199696314.001.0001}
}