Board of Governors of the Federal Reserve System (U.S.), 1935-. "Industrial Production: Market Groups," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "October 14, 1994," G.17 Industrial Production and Capacity Utilization (1994-10-14) : 4-5. https://fraser.stlouisfed.org/title/77/item/63632/toc/455552 , accessed on May 9, 2024.