@book{177772,
	author = {Heimsoeth, Heinz. and Gaos, José.},
	title = {Los seis grandes temas de la metafísica occidental / },
	publisher = {Revista de Occidente, },
	year = {[1930?]},
	series = {Nuevos hechos, nuevas ideas ; },
	address = {Madrid : }
}