@book{59069,
	author = {Echegaray, José,},
	title = {Ciencia popular / },
	editor = {(Imp. Hijos de J. A. García)},
	publisher = {[s.n.], },
	year = {1905 },
	address = {Madrid : },
	url = {https://bvpb.mcu.es/es/consulta/registro.do?id=577720}
}