Board of Governors of the Federal Reserve System (U.S.), 1935-. "Release Text," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "December 16, 1980," G.12.3 Industrial Production (1980-12-16) : 1-2. https://fraser.stlouisfed.org/title/55/item/59639/toc/472108 , accessed on May 4, 2024.