@book{474,
	author = {Gascón y Guimbao, Domingo.},
	title = {Boletín minero y comercial / },
	editor = {Hijos de M.G. Hernández, Ricardo Rojas)},
	publisher = {Domingo Gascón, },
	year = {1898-1906 (},
	address = {Madrid : },
	url = {https://bibliotecavirtual.aragon.es/es/consulta/registro.do?id=226}
}