@book{70249,
	author = {Puzynska , Katarzyna and Puzynska , Katarzyna},
	title = {La número 31 :},
	publisher = {Maeva Ediciones, },
	year = {[Fecha de publicación no identificada]},
	series = {Serie de Lipowo},
	address = {[Madrid, España] :},
	url = {https://public.digitaliapublishing.com/a/123605}
}