United States. Bureau of the Census. "Composite Indexes," in United States. Bureau of the Census. "March 1982," Business Conditions Digest (March 1982) : 66-66. https://fraser.stlouisfed.org/title/43/item/7427/toc/206818 , accessed on May 4, 2024.
United States. Bureau of the Census. "Composite Indexes," in United States. Bureau of the Census. "March 1982," Business Conditions Digest (March 1982) : 66-66. https://fraser.stlouisfed.org/title/43/item/7427/toc/206818 , accessed on May 4, 2024.