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. "December 1963," Business Conditions Digest (December 1963) : 71-71. https://fraser.stlouisfed.org/title/43/item/7198/toc/184034 , accessed on April 23, 2024.