@book{40009,
	author = {Ortega Fernández, María Leticia. and Renjifo Vélez, Federico.},
	title = {Ley marco},
	publisher = {Pontificia Universidad Javeriana, Facultad de Ciencias Jurídicas y Socioeconómicas},
	year = {1980.},
	address = {Bogotá, D.Ec.},
	note = {Thesis--Pontificia Universidad Javeriana.}
}