United States. Bureau of the Census. "Rates of Change," in United States. Bureau of the Census. "July 1973," Business Conditions Digest (July 1973) : 71-71. https://fraser.stlouisfed.org/title/43/item/7323/toc/158496 , accessed on March 28, 2024.
United States. Bureau of the Census. "Rates of Change," in United States. Bureau of the Census. "July 1973," Business Conditions Digest (July 1973) : 71-71. https://fraser.stlouisfed.org/title/43/item/7323/toc/158496 , accessed on March 28, 2024.