@book{40727,
	author = {González de la Peña, Penélope.},
	title = {Manual práctico del DB HE1 :},
	publisher = {Ediciones Experiencia,},
	year = {[2007]},
	address = {Barcelona :},
	note = {Contiene índice.},
	url = {https://elibro.net/ereader/politecnicointernacional/41985}
}