United States. Bureau of Labor Statistics. "Machinery," in United States. Bureau of Labor Statistics. "July 1984," PPI Detailed Report (July 1984) : 73-87. https://fraser.stlouisfed.org/title/63/item/21584/toc/373225 , accessed on April 19, 2024.
United States. Bureau of Labor Statistics. "Machinery," in United States. Bureau of Labor Statistics. "July 1984," PPI Detailed Report (July 1984) : 73-87. https://fraser.stlouisfed.org/title/63/item/21584/toc/373225 , accessed on April 19, 2024.