@book{199886,
	author = {Le�on Li, Jaime Mart�in. and ebrary, Inc.},
	title = {Regional integration process in South America},
	publisher = {Diplomica Verlag,},
	year = {2012.},
	address = {Hamburg :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10553178}
}