@book{93321,
	author = {Gambini, Rodolfo, and Pullin, Jorge,},
	title = {Un primer curso en gravedad cuántica de lazos /},
	publisher = {Editorial Reverté ;},
	year = {[2012]},
	address = {Barcelona :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/110573/}
}