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-. "April 1987," Economic Indicators (April 1987) : 12-12. https://fraser.stlouisfed.org/title/1/item/550/toc/107442 , accessed on April 25, 2024.