@book{80936,
	author = {Cortés Ballén, Diego Rodrigo},
	title = {La ilicitud constitucional del objeto del negocio jurídico /},
	publisher = {Universidad Externado,},
	year = {2010},
	series = {Tesis de grado ;},
	address = {Bogotá, Colombia :},
	edition = {1a ed.}
}