Board of Governors of the Federal Reserve System (U.S.), 1935-. "Explanatory Note," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "November 15, 1993," G.17 Industrial Production and Capacity Utilization (1993-11-15) : 18-18. https://fraser.stlouisfed.org/title/77/item/63621/toc/455308 , accessed on June 26, 2024.