@book{82815,
	author = {Ross, Sheldon M. and Valdés Sánchez, Teófilo,},
	title = {Introducción a la estadística /},
	publisher = {Editorial Reverté,},
	year = {[2014]},
	address = {Barcelona :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/67905/}
}