@book{1197,
	author = {Francois, Charles},
	title = {Introducción a la prospectiva.},
	publisher = {Pleamar, },
	year = {1977.},
	series = {Estrategia política.},
	address = {Buenos Aires : },
	edition = {1ra.ed.},
	note = {Bibliografía al pié de página. }
}