@book{54004,
	author = {Obregón, Alejandro,},
	title = {Obregón 100 años :},
	publisher = {Editorial Universidad del Norte,},
	year = {[2021]},
	address = {Barranquilla, Colombia :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/111680/}
}