Henderson, Linda (1981). "Italian Futurism and "The Fourth Dimension"". Art Journal. 41 (4). Art Journal, Vol. 41, No. 4: 317–323. doi:10.2307/776440. JSTOR776440.
Henderson, Linda (1981). "Italian Futurism and "The Fourth Dimension"". Art Journal. 41 (4). Art Journal, Vol. 41, No. 4: 317–323. doi:10.2307/776440. JSTOR776440.