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-. "December 16, 1992," G.17 Industrial Production and Capacity Utilization (1992-12-16) : 4-5. https://fraser.stlouisfed.org/title/77/item/63610/toc/455121 , accessed on April 23, 2024.