Board of Governors of the Federal Reserve System (U.S.), 1935-. "Industrial Electric Power Use - Not Seasonally Adjusted Indexes," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "August 13, 1976," G.12.3 Industrial Production (1976-08-13) : 16-17. https://fraser.stlouisfed.org/title/55/item/59524/toc/470087 , accessed on May 10, 2024.