United States. Bureau of Labor Statistics. "Metal Products," in United States. Bureau of Labor Statistics. "May 1982," PPI Detailed Report (May 1982) : 66-73. https://fraser.stlouisfed.org/title/63/item/21558/toc/243405 , accessed on April 17, 2024.
United States. Bureau of Labor Statistics. "Metal Products," in United States. Bureau of Labor Statistics. "May 1982," PPI Detailed Report (May 1982) : 66-73. https://fraser.stlouisfed.org/title/63/item/21558/toc/243405 , accessed on April 17, 2024.