United States. Bureau of Labor Statistics. "Machinery," in United States. Bureau of Labor Statistics. "January 1985," PPI Detailed Report (January 1985) : 82-98. https://fraser.stlouisfed.org/title/63/item/21590/toc/419068 , accessed on May 4, 2024.
United States. Bureau of Labor Statistics. "Machinery," in United States. Bureau of Labor Statistics. "January 1985," PPI Detailed Report (January 1985) : 82-98. https://fraser.stlouisfed.org/title/63/item/21590/toc/419068 , accessed on May 4, 2024.