Board of Governors of the Federal Reserve System (U.S.), 1935-. "Electric Power Use by Industries, Seasonally Adjusted Indexes," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "December 15, 1983," G.12.3 Industrial Production (1983-12-15) : 15-15. https://fraser.stlouisfed.org/title/55/item/59674/toc/472729 , accessed on May 2, 2024.