@book{257531,
	author = {Heisig, James W., and Panikkar, Raimon,},
	title = {Filósofos de la nada :},
	publisher = {Herder,},
	year = {2015},
	address = {Barcelona :},
	edition = {2a edición digital.},
	url = {https://www.digitaliapublishing.com/a/61265/}
}