@book{38821,
	author = {Instituto Interamericano de Estadística},
	title = {América en cifras, 1967},
	publisher = {Unión Panamericana,},
	year = {1967-},
	address = {Washington :},
	note = {La biblioteca tiene: v.1, v.2, v.3, pte. 2,4,5.- v.4}
}