Board of Governors of the Federal Reserve System (U.S.), 1935-. "Industrial Production: Industry Subtotals and Individual Series," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "July 15, 1992," G.17 Industrial Production and Capacity Utilization (1992-07-15) : 12-15. https://fraser.stlouisfed.org/title/77/item/63604/toc/455068 , accessed on June 14, 2024.