Board of Governors of the Federal Reserve System (U.S.), 1935-. "Summary Groupings, Seasonally Adjusted," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "August 13, 1982," G.12.3 Industrial Production (1982-08-13) : 14-14. https://fraser.stlouisfed.org/title/55/item/59658/toc/472420 , accessed on May 5, 2024.