@book{28381,
	author = {Ruiz Morales, Jorge,},
	title = {¿Qué son los cuásares? /},
	publisher = {Equipo Sirius,},
	year = {[2011?].},
	address = {Madrid :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/12748/}
}