@book{2120,
	author = {Zeballos, Estanislao S},
	title = {La concurrencia universal y la agricultura en ambas Américas  :},
	publisher = {Imp. J Peuser},
	year = {1896},
	address = {Buenos Aires},
	edition = {2a ed. rev. y corr},
	note = {Colección Pérez Amuchástegui}
}