United States. Bureau of Labor Statistics. "Machinery," in United States. Bureau of Labor Statistics. "July 1982," PPI Detailed Report (July 1982) : 47-52. https://fraser.stlouisfed.org/title/63/item/21560/toc/194291 , accessed on July 17, 2024.
United States. Bureau of Labor Statistics. "Machinery," in United States. Bureau of Labor Statistics. "July 1982," PPI Detailed Report (July 1982) : 47-52. https://fraser.stlouisfed.org/title/63/item/21560/toc/194291 , accessed on July 17, 2024.