@book{49773,
	author = {Aron, Raymond,},
	title = {Preguntas a la sociedad actual /},
	publisher = {Monte Avila,},
	year = {[1976]},
	series = {Colección letra viva},
	address = {Caracas :},
	note = {Translation of Quelle crise? Quelle sociéte?}
}