@book{111169,
	author = {Nebrija, Antonio de,  and Walberg, E.},
	title = {Gramática castellana / },
	publisher = {Max Niemeyer, },
	year = {1909.},
	address = {Halle : },
	url = {https://bibliotecadigital.jcyl.es/es/consulta/registro.do?id=4900}
}