@book{174067,
	author = {Sartre, Jean Paul},
	title = {El ser y la nada},
	publisher = {Losada},
	year = {1979.},
	series = {Biblioteca filosofica},
	address = {Buenos Aires},
	edition = {5a. ed.},
	note = {Original title: L'être et le néant; essai d'ontologie phénoménologique.}
}