Council of Economic Advisers (U.S.) , United States. Congress. Joint Committee on the Economic Report, 1946-1956 and United States. Congress. Joint Economic Committee, 1956-. "Chained Price Indexes for Gross Domestic Product," in Council of Economic Advisers (U.S.) , United States. Congress. Joint Committee on the Economic Report, 1946-1956 and United States. Congress. Joint Economic Committee, 1956-. "September 2012," Economic Indicators (September 2012) : 4-4. https://fraser.stlouisfed.org/title/1/item/655/toc/80484 , accessed on April 25, 2024.