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-. "February 15, 1985," G.12.3 Industrial Production (1985-02-15) : 15-15. https://fraser.stlouisfed.org/title/55/item/59689/toc/472996 , accessed on May 2, 2024.