@book{40267,
	author = {Heidegger, Martin and Cortés, Helena},
	title = {¿Qué es metafísica? /},
	publisher = {Alianza,},
	year = {2003.},
	series = {Humanidades},
	address = {Madrid, :},
	note = {La biblioteca posee la 3ra. reimpresion del 2012}
}