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 1967," Business Conditions Digest (October 1967) : 5-5. https://fraser.stlouisfed.org/title/43/item/7244/toc/200490 , accessed on April 25, 2024.