Board of Governors of the Federal Reserve System (U.S.), 1935-. "Output and Capacity for Industrial Materials," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "February 16, 1990," G.3 Capacity Utilization, Manufacturing, Mining, Utilities and Industrial Materials (1990-02-16) : 4-4. https://fraser.stlouisfed.org/title/51/item/56719/toc/448499 , accessed on May 4, 2024.