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-. "September 14, 1979," G.12.3 Industrial Production (1979-09-14) : 16-16. https://fraser.stlouisfed.org/title/55/item/59622/toc/470675 , accessed on May 1, 2024.