@book{3067,
	author = {Aristoteles, 384 a.C-322 a.C. and Calvo Martínez, Tomás},
	title = {Metafísica /},
	publisher = {Editorial Gredos, },
	year = {2008},
	series = {Biblioteca clásica Gredos},
	address = {Madrid :},
	edition = {2a reimpr.}
}