Producer Price Indexes and Percent Changes for Commodity Groupings and Individual Items
United States. Bureau of Labor Statistics. "Producer Price Indexes and Percent Changes for Commodity Groupings and Individual Items," in United States. Bureau of Labor Statistics. "August 2001," PPI Detailed Report (August 2001) : 128-164. https://fraser.stlouisfed.org/title/63/item/21790/toc/255857 , accessed on April 18, 2024.