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. "April 1963," Business Conditions Digest (April 1963) : 73-73. https://fraser.stlouisfed.org/title/43/item/7190/toc/260163 , accessed on April 25, 2024.