@book{48291,
	author = {Anderson, Perry, and Piña, Cristina,},
	title = {Spectrum :},
	publisher = {Akal,},
	year = {[2014]},
	series = {Akal/Universitaria ;},
	address = {Tres Cantos, Madrid, España :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/50839/}
}