@book{4312,
	author = {Baeza-Yates, Ricardo. and Ribeiro-Neto, Berthier.},
	title = {Modern Information Retrieval },
	publisher = {Addison Wesley,},
	year = {1999.},
	address = {[S.l.] :},
	edition = {1st ed.},
	url = {http://www.amazon.com/exec/obidos/ASIN/020139829X/chopaconline-20}
}