United States. Bureau of Labor Statistics. "Machinery," in United States. Bureau of Labor Statistics. "June 1984," PPI Detailed Report (June 1984) : 67-80. https://fraser.stlouisfed.org/title/63/item/21583/toc/427372 , accessed on May 7, 2024.
United States. Bureau of Labor Statistics. "Machinery," in United States. Bureau of Labor Statistics. "June 1984," PPI Detailed Report (June 1984) : 67-80. https://fraser.stlouisfed.org/title/63/item/21583/toc/427372 , accessed on May 7, 2024.