Board of Governors of the Federal Reserve System (U.S.), 1935-. "Industrial Production: Industry Groups," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "October 16, 1992," G.17 Industrial Production and Capacity Utilization (1992-10-16) : 6-7. https://fraser.stlouisfed.org/title/77/item/63608/toc/455099 , accessed on May 1, 2024.