Complete Titles and Sources of Principal Business Cycle Series and Diffusion Indexes
United States. Bureau of the Census. "Complete Titles and Sources of Principal Business Cycle Series and Diffusion Indexes," in United States. Bureau of the Census. "April 1962," Business Conditions Digest (April 1962) : 71-72. https://fraser.stlouisfed.org/title/43/item/7178/toc/279120 , accessed on May 12, 2024.