Summary Description of X-9 and X-10 Versions of the Census Method II Seasonal Adjustment Program
United States. Bureau of the Census. "Summary Description of X-9 and X-10 Versions of the Census Method II Seasonal Adjustment Program," in United States. Bureau of the Census. "July 1963," Business Conditions Digest (July 1963) : 70-70. https://fraser.stlouisfed.org/title/43/item/7193/toc/295655 , accessed on April 19, 2024.