@book{113582,
	author = {Heisig, James W.},
	title = {Filósofos de la nada :},
	publisher = {Herder Editorial,},
	year = {2015.},
	address = {Barcelona :},
	edition = {2a. edición.},
	url = {https://elibro.net/ereader/politecnicointernacional/114395}
}