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-. "Industrial Production and Capacity Utilization : A Revision," G.17 Industrial Production and Capacity Utilization (February 4, 1994) : 10-10. https://fraser.stlouisfed.org/title/77/item/63611/toc/455998 , accessed on April 25, 2024.