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. "March 1979," Federal Reserve Bulletin (March 1979) : 168-168. https://fraser.stlouisfed.org/title/62/item/20451/toc/282721 , accessed on April 29, 2024.