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. "May 1981," PPI Detailed Report (May 1981) : 16-16. https://fraser.stlouisfed.org/title/63/item/21546/toc/44134 , accessed on April 18, 2024.