@book{98904,
	author = {Castro Ayala, José Guillermo, and Calonje Londoño, Nattaly Jimena,},
	title = {Derecho de obligaciones :},
	publisher = {Universidad Católica de Colombia,},
	year = {[2015]},
	series = {Colección Jus privado ;},
	address = {Bogotá, D. C. :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/127700/}
}