@book{55278,
	author = {Colloque sur les Democraties Populaires Apres Prague ( and Lukaszewski, Jerzy.},
	title = {Las democracias populares después de Praga },
	publisher = {Moneda y Crédito, },
	year = {1973.},
	series = {Colección europea ; },
	address = {Madrid : }
}