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. "October 1961," Business Conditions Digest (October 1961) : 69-69. https://fraser.stlouisfed.org/title/43/item/7172/toc/299601 , accessed on April 23, 2024.