@book{24050,
	author = {Universidad Externado de Colombia and Amaya Olaya, Uriel Alberto},
	title = {Primeras :},
	publisher = {Universidad Externado de Colombia,},
	year = {2001},
	series = {Memorias},
	address = {Bogotá, Colombia :},
	edition = {1 edición},
	note = {Incluye índice}
}