Cross-Classification of Business Indicators by Economic Process and Cyclical Timing
United States. Bureau of the Census. "Cross-Classification of Business Indicators by Economic Process and Cyclical Timing," in United States. Bureau of the Census. "October 1968," Business Conditions Digest (October 1968) : 7-7. https://fraser.stlouisfed.org/title/43/item/7256/toc/360088 , accessed on March 28, 2024.