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. "December 1981," PPI Detailed Report (December 1981) : 14-14. https://fraser.stlouisfed.org/title/63/item/21553/toc/427595 , accessed on March 28, 2024.