United States. Bureau of the Census. "Composite Indexes," in United States. Bureau of the Census. "June 1982," Business Conditions Digest (June 1982) : 66-66. https://fraser.stlouisfed.org/title/43/item/7430/toc/56325 , accessed on April 17, 2024.
United States. Bureau of the Census. "Composite Indexes," in United States. Bureau of the Census. "June 1982," Business Conditions Digest (June 1982) : 66-66. https://fraser.stlouisfed.org/title/43/item/7430/toc/56325 , accessed on April 17, 2024.