@book{25890,
	author = {Armytage, W. H. G. and Moulines, C. Ulises.},
	title = {Visión histórica del futuro / },
	publisher = {Península, },
	year = {1971.},
	series = {Historia, ciencia, sociedad ; },
	address = {Barcelona : },
	edition = {1ª ed.}
}