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-. "April 13, 1984," G.12.3 Industrial Production (1984-04-13) : 17-17. https://fraser.stlouisfed.org/title/55/item/59678/toc/472815 , accessed on March 28, 2024.