@book{232015,
	author = {García Guinea, Miguel Angel.},
	title = {Altamira /},
	publisher = {Sílex,},
	year = {c2004.},
	address = {Madrid :},
	note = {Title on cover: Altamira and other Cantabrian caves.},
	url = {https://www.digitaliapublishing.com/a/8983/}
}