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. "October 1961," Business Conditions Digest (October 1961) : 41-41. https://fraser.stlouisfed.org/title/43/item/7172/toc/299585 , accessed on April 26, 2024.