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-. "June 14, 1985," G.12.3 Industrial Production (1985-06-14) : 15-15. https://fraser.stlouisfed.org/title/55/item/59693/toc/473069 , accessed on April 25, 2024.