Diffusion Indexes, Actual and Anticipated, Over Specified Intervals for 4 Manufacturing Activities
United States. Bureau of the Census. "Diffusion Indexes, Actual and Anticipated, Over Specified Intervals for 4 Manufacturing Activities," in United States. Bureau of the Census. "June 1964," Business Conditions Digest (June 1964) : 45-45. https://fraser.stlouisfed.org/title/43/item/7204/toc/67370 , accessed on April 26, 2024.