@book{13504,
	author = {Cannizzaro, Enzo. and Palchetti, Paolo.},
	title = {International law as law of the European Union /},
	publisher = {Martinus Nijhoff Publishers,},
	year = {2012.},
	series = {Studies in EU external  relations,},
	address = {Boston :},
	url = {http://dx.doi.org/10.1163/9789004215528}
}