@book{6254,
	author = {Heidegger, Martin. and Tietjen, Hartmut.},
	title = {De l'essence de la liberte humaine },
	publisher = {Gallimard, },
	year = {[1987]},
	series = {Bibliothèque de philosophie. Serie Martin Heidegger. Section II. Cours 1923-1944},
	address = {Paris : }
}