@book{84097,
	author = {Galbiati, Cristiano, and González-Castelao, Juan,},
	title = {Las entidades oscuras :},
	publisher = {Akal,},
	year = {[2020]},
	series = {Akal Astronomía},
	address = {Tres Cantos, Madrid, España :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/70676/}
}