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. "April 1964," Business Conditions Digest (April 1964) : 47-47. https://fraser.stlouisfed.org/title/43/item/7202/toc/292465 , accessed on April 23, 2024.