@book{89980,
	title = {Instalador de gas categoría B :},
	publisher = {Cano Pina,},
	year = {2016.},
	address = {[Lorquí (Murcia), Spain] :},
	edition = {2a edición.},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/103112/}
}