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. "August 1968," Business Conditions Digest (August 1968) : 7-7. https://fraser.stlouisfed.org/title/43/item/7254/toc/210108 , accessed on April 25, 2024.