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-. "Implicit Price Deflators for Gross National 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-. "February 1991," Economic Indicators (February 1991) : 4-4. https://fraser.stlouisfed.org/title/1/item/711/toc/377795 , accessed on March 28, 2024.