@book{4148,
	author = {Brossat, Alain and Trotsky, Leon},
	title = {En los orígenes de la revolución permanente},
	publisher = {Siglo Veintiuno de España [etc.]},
	year = {1976},
	series = {Biblioteca del Pensamiento Socialista},
	address = {Madrid [etc.]},
	note = {Indice}
}