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 1963," Business Conditions Digest (April 1963) : 45-45. https://fraser.stlouisfed.org/title/43/item/7190/toc/260146 , accessed on April 17, 2024.