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 14, 1979," G.12.3 Industrial Production (1979-12-14) : 17-17. https://fraser.stlouisfed.org/title/55/item/59627/toc/470717 , accessed on April 23, 2024.