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-. "Expenditures for New Plant and Equipment," 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-. "December 1967," Economic Indicators (December 1967) : 11-11. https://fraser.stlouisfed.org/title/1/item/576/toc/314071 , accessed on April 19, 2024.