@book{24897,
	author = {Bobbio , Norberto and Terracini, Lore},
	title = {El existencialismo :},
	publisher = {Fondo de Cultura Económica ,},
	year = {1954.},
	series = {Brevarios},
	address = {México, D. F. :},
	edition = {2a ed.}
}