@book{35964,
	author = {Armytage, W. H. G.},
	title = {Visión histórica del futuro; Traducción de},
	publisher = {Ediciones Península},
	year = {1971.},
	series = {Historia , Ciencia, Sociedad, 77},
	address = {Barcelona},
	note = {Translation of : Yesterday's tomorrows.}
}