Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Business Expenditures on New Plant and Equipment," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "May 1979," Federal Reserve Bulletin (May 1979) : 111-111. https://fraser.stlouisfed.org/title/62/item/20453/toc/74509 , accessed on June 22, 2024.