@book{38290,
	author = {Lem, Stanisław, and Valencia, Roberto,},
	title = {Magnitud imaginaria /},
	publisher = {Impedimenta,},
	year = {[2013]},
	series = {[Biblioteca del Siglo XXI]},
	address = {Madrid :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/33872/}
}