@book{132946,
	author = {Royo Villanova, Antonio, and Azcárate, Gumersindo de,},
	title = {Cuestiones obreras / },
	editor = {Imp. Castellana)},
	publisher = {[s. n.], },
	year = {1910 (},
	address = {Valladolid : },
	url = {http://bnedigital.bne.es/bd/es/card?id=6928da9a-7325-4427-b992-325a3dff6f3d}
}