@book{79389,
	author = {Singh, Simon, and Sarret, Josep,},
	title = {Big bang :},
	publisher = {Biblioteca Buridán,},
	year = {[2008]},
	address = {[Barcelona] :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/62369/}
}