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 13, 1985," G.12.3 Industrial Production (1985-12-13) : 17-17. https://fraser.stlouisfed.org/title/55/item/59699/toc/473174 , accessed on April 18, 2024.