Board of Governors of the Federal Reserve System (U.S.), 1935-. "Industrial Electric Power Use - Seasonally Adjusted Indexes," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "March 16, 1979," G.12.3 Industrial Production (1979-03-16) : 14-14. https://fraser.stlouisfed.org/title/55/item/59617/toc/470570 , accessed on May 1, 2024.