Board of Governors of the Federal Reserve System (U.S.), 1935-. "Electric Power Use by Industries, Not Seasonally Adjusted Indexes," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "September 15, 1983," G.12.3 Industrial Production (1983-09-15) : 16-16. https://fraser.stlouisfed.org/title/55/item/59671/toc/472689 , accessed on April 25, 2024.