Producer Price Indexes and Percent Changes for Selected Stage-of-Processing Groupings, Seasonally Adjusted
United States. Bureau of Labor Statistics. "Producer Price Indexes and Percent Changes for Selected Stage-of-Processing Groupings, Seasonally Adjusted," in United States. Bureau of Labor Statistics. "February 1981," PPI Detailed Report (February 1981) : 16-16. https://fraser.stlouisfed.org/title/63/item/21543/toc/41031 , accessed on May 5, 2024.