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. "March 1962," Business Conditions Digest (March 1962) : 66-66. https://fraser.stlouisfed.org/title/43/item/7177/toc/376459 , accessed on March 29, 2024.