@book{52493,
	author = {Erard, Zinaèida.},
	title = {Las Sociedades del este, entre la libertad y el socialismo :},
	publisher = {Fontanella,},
	year = {1981.},
	address = {Barcelona :},
	edition = {1a ed.},
	note = {Translation of: La Pologne, une societé en dissidence.}
}