@book{81609,
	author = {Arteaga, José M.},
	title = {Riesgos existenciales :},
	publisher = {RiL editores,},
	year = {[2017]},
	address = {Santiago de Chile :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/65295/}
}