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 1978," Federal Reserve Bulletin (March 1978) : 144-144. https://fraser.stlouisfed.org/title/62/item/20439/toc/65327 , accessed on March 29, 2024.