@book{20003,
	author = {Balaguer, Víctor,},
	title = {La Libertad constitucional :},
	publisher = {impr. nueva de Jaime Jepús y Ramón Villegas,},
	year = {1858},
	address = {Barcelona :},
	url = {http://books.google.com/books?vid=BNC:1001059868&hl=ca&printsec=frontcover}
}