@book{959,
	author = {Spengler, Oswald, 1880-1936},
	title = {La decadencia de occidente:},
	publisher = {Espasa-Calpe},
	year = {1946},
	series = {Biblioteca de ideas del siglo XX},
	address = {Madrid},
	edition = {6 ed.},
	note = {Incluye aps.},
	url = {http://hicu.dosmildiez.net/mundocontemporaneo/wp-content/uploads/2013/09/La-decadencia-de-occidente-TOMO-I.pdf}
}