United States. Bureau of Labor Statistics. "Machinery," in United States. Bureau of Labor Statistics. "October 1984," PPI Detailed Report (October 1984) : 72-86. https://fraser.stlouisfed.org/title/63/item/21587/toc/157415 , accessed on May 3, 2024.
United States. Bureau of Labor Statistics. "Machinery," in United States. Bureau of Labor Statistics. "October 1984," PPI Detailed Report (October 1984) : 72-86. https://fraser.stlouisfed.org/title/63/item/21587/toc/157415 , accessed on May 3, 2024.