@book{107523,
	author = {D'alembert, Jean Le Rond, 1717-1783 and Berges, Consuelo},
	title = {Discurso preliminar de la enciclopedia },
	publisher = {: Sarpe},
	year = {, 1984},
	series = {Los Grandes Pensadores},
	address = {Madrid, España},
	note = {Incluye índice al final del texto}
}