Board of Governors of the Federal Reserve System (U.S.), 1935-. "Total Nonfarm Business Expenditures on New Plant and Equipment," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "1984," Annual Statistical Digest (October 1985) : 108-108. https://fraser.stlouisfed.org/title/7/item/23511/toc/37402 , accessed on March 28, 2023.