Current Seasonal Adjustment Factors for Business Cycle Series Adjusted by Bureau of the Census or NBER
United States. Bureau of the Census. "Current Seasonal Adjustment Factors for Business Cycle Series Adjusted by Bureau of the Census or NBER," in United States. Bureau of the Census. "September 1964," Business Conditions Digest (September 1964) : 74-74. https://fraser.stlouisfed.org/title/43/item/7207/toc/135008 , accessed on March 29, 2024.