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-. "March 17, 1981," G.12.3 Industrial Production (1981-03-17) : 17-17. https://fraser.stlouisfed.org/title/55/item/59642/toc/472152 , accessed on March 28, 2024.