@book{103704,
	author = {Martínez Rodríguez, Tomás},
	title = {Civilizaciones perdidas},
	publisher = {Ediciones Nowtilus, },
	year = {[Fecha de publicación no identificada]},
	address = {[Madrid, España] :},
	url = {https://public.digitaliapublishing.com/a/84657}
}