@book{35876,
	author = {Farias, Ignacio,},
	title = {Observando sistemas :},
	publisher = {RiL editores :},
	year = {marzo 2006.},
	address = {Santiago de Chile :},
	edition = {Primera edición.},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/29678/}
}