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. "March 2004," PPI Detailed Report (March 2004) : 112-145. https://fraser.stlouisfed.org/title/63/item/21821/toc/88747 , accessed on April 19, 2024.