@book{4063,
	author = {Duran i Bas, Manuel,},
	title = {Estudios políticos y económicos /},
	publisher = {Impr. de Antonio Brusi,},
	year = {1856},
	address = {Barcelona :},
	note = {Portadella},
	url = {http://books.google.com/books?vid=BNC:1001062096&hl=ca&printsec=frontcover}
}