@book{272247,
	author = {Ceballos Sierra, Fco. Javier},
	title = {Java 2 :},
	publisher = {Ra-Ma,},
	year = {[2006]},
	address = {Paracuellos de Jarama, Madrid :},
	url = {https://www.digitaliapublishing.com/a/109868/}
}