Board of Governors of the Federal Reserve System (U.S.), 1935-. "Industry Subtotals and Individual Series, Seasonally Adjusted," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "January 17, 1990," G.12.3 Industrial Production (1990-01-17) : 10-10. https://fraser.stlouisfed.org/title/55/item/59756/toc/450963 , accessed on April 25, 2024.