@book{28383,
	author = {Valer Murillo, José Luis,},
	title = {La investigación del cosmos /},
	publisher = {Equipo Sirius,},
	year = {[2011?].},
	address = {Madrid :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/12750/}
}