@book{77554,
	author = {Zelaz, Dan},
	title = {La princesa Gema y su esfera mística :},
	publisher = {Lantia, },
	year = {[Fecha de publicación no identificada]},
	series = {Caligrama},
	address = {[Madrid, España] :},
	url = {https://public.digitaliapublishing.com/a/121151}
}