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. "April 1981," PPI Detailed Report (April 1981) : 16-16. https://fraser.stlouisfed.org/title/63/item/21545/toc/417587 , accessed on April 17, 2024.