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-. "March 17, 1988," G.3 Capacity Utilization, Manufacturing, Mining, Utilities and Industrial Materials (1988-03-17) : 4-4. https://fraser.stlouisfed.org/title/51/item/56896/toc/448415 , accessed on March 28, 2024.