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-. "August 15, 1985," G.12.3 Industrial Production (1985-08-15) : 17-17. https://fraser.stlouisfed.org/title/55/item/59695/toc/473100 , accessed on April 19, 2024.