@book{69429,
	author = {Abisambra Ruiz, Jorge Alberto},
	title = {La sustitución pensional en Colombia},
	publisher = {[s.n.]},
	year = {1985.},
	address = {Bogotá, DE.},
	note = {At head of title: República de Colombia, Pontificia Universidad Javeriana, Facultad de Ciencias Jurídicas y Socioeconómicas.}
}