@book{44995,
	author = {Claudín, Fernando.},
	title = {Marx, Engels y la Revolución de 1848 / },
	publisher = {Siglo Veintiuno, },
	year = {[1975]},
	series = {Biblioteca del pensamiento socialista},
	address = {[Madrid, etc.] : },
	edition = {[1ª ed.].}
}