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-. "August 15, 1994," G.17 Industrial Production and Capacity Utilization (1994-08-15) : 12-15. https://fraser.stlouisfed.org/title/77/item/63630/toc/455529 , accessed on April 18, 2024.