@book{3414,
	author = {Sacristán Luzón, Manuel. and Fernandez Buey, Francisco.},
	title = {De la primavera de Praga al marxismo ecologista },
	publisher = {Los Libros de la Catarata, },
	year = {[2004]},
	series = {Catarata ; },
	address = {Madrid : }
}