@book{18761,
	author = {Ibarra Montenegro, Jorge},
	title = {Ciencia Integrada :},
	publisher = {Voluntad,},
	year = {1988.},
	series = {Investiguemos.},
	address = {Bogotá :},
	edition = {Décimatercera edición.},
	note = {Incluye índice.}
}