@book{76390,
	author = {Mardones, J. M.  and Ursua, N.,},
	title = {Filosofia de las ciaencias humanas y sociales },
	publisher = {Coyoacan,},
	year = {1999},
	series = {Filosofía y cultura contemporánea},
	address = {Mexico :},
	edition = {1a ed. }
}