@book{17151,
	author = {Thirlway, H.W.A.,},
	title = {International Customary Law and Codification /},
	publisher = {Brill | Nijhoff,},
	year = {1972.},
	series = {International Law - Book Archive pre-2000},
	address = {Leiden ;},
	url = {http://dx.doi.org/10.1163/9789004642447}
}