United States. Bureau of Labor Statistics. "Machinery," in United States. Bureau of Labor Statistics. "June 1983," PPI Detailed Report (June 1983) : 51-59. https://fraser.stlouisfed.org/title/63/item/21571/toc/175227 , accessed on April 25, 2024.
United States. Bureau of Labor Statistics. "Machinery," in United States. Bureau of Labor Statistics. "June 1983," PPI Detailed Report (June 1983) : 51-59. https://fraser.stlouisfed.org/title/63/item/21571/toc/175227 , accessed on April 25, 2024.