@book{15256,
	author = {Cole, George Douglas Howard and Villegas, Carlos},
	title = {Introducción a la Historia Económica},
	publisher = {Fondo de Cultura Económica},
	year = {1985},
	series = {Breviarios},
	address = {Buenos Aires},
	note = {Apéndice estadístico p. 219-226}
}