@book{31979,
	author = {Gracia, Jorge J. E. },
	title = {Concepciones de la metafísica /},
	publisher = {Editorial Trotta :},
	year = {1998. },
	series = {Enciclopedia iberoamericana de filosofía ;},
	address = {Madrid :},
	edition = {1. ed.},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/18835/}
}