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. "February 1962," Business Conditions Digest (February 1962) : 66-66. https://fraser.stlouisfed.org/title/43/item/7176/toc/149772 , accessed on April 25, 2024.