Average Percentage Changes and Related Measures for Monthly Quarterly Business Cycle Series
United States. Bureau of the Census. "Average Percentage Changes and Related Measures for Monthly Quarterly Business Cycle Series," in United States. Bureau of the Census. "April 1964," Business Conditions Digest (April 1964) : 71-73. https://fraser.stlouisfed.org/title/43/item/7202/toc/292481 , accessed on April 26, 2024.