Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Output, Capacity, and Capacity Utilization," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "July 1990," Federal Reserve Bulletin (July 1990) : 166-166. https://fraser.stlouisfed.org/title/62/item/20818/toc/325936 , accessed on May 10, 2024.