United States. Bureau of Economic Analysis. "December 1963," Survey of Current Business (December 1963). https://fraser.stlouisfed.org/title/46/item/9700, accessed on May 3, 2024.
United States. Bureau of Economic Analysis. "December 1963," Survey of Current Business (December 1963). https://fraser.stlouisfed.org/title/46/item/9700, accessed on May 3, 2024.