Seasonal Adjustment Factors, November 1960 to December 1961, for Business Cycle Series Adjusted by Bureau of Census or NBER
United States. Bureau of the Census. "Seasonal Adjustment Factors, November 1960 to December 1961, for Business Cycle Series Adjusted by Bureau of Census or NBER," in United States. Bureau of the Census. "December 1961," Business Conditions Digest (December 1961) : 66-66. https://fraser.stlouisfed.org/title/43/item/7174/toc/311314 , accessed on March 29, 2024.