United States. Bureau of the Census. "Rates of Change," in United States. Bureau of the Census. "April 1979," Business Conditions Digest (April 1979) : 45-45. https://fraser.stlouisfed.org/title/43/item/7392/toc/185280 , accessed on April 19, 2024.
United States. Bureau of the Census. "Rates of Change," in United States. Bureau of the Census. "April 1979," Business Conditions Digest (April 1979) : 45-45. https://fraser.stlouisfed.org/title/43/item/7392/toc/185280 , accessed on April 19, 2024.