@book{82197,
	author = {Doyle, Arthur Conan, and Izquierdo, Maritza,},
	title = {El signo de los cuatro /},
	publisher = {Editorial Verbum,},
	year = {[2020]},
	series = {Verbum Narrativa},
	address = {Madrid :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/66191/}
}