@book{37641,
	author = {Circulo de Lectores.},
	title = {Colombia, enciclopedia tematica circulo.},
	publisher = {Circulo de Lectores,},
	year = {1999.},
	series = {Serie circulo de lectores},
	address = {Bogotá :},
	note = {Incluye indice e imagenes atodo color.}
}