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. "July 1998," PPI Detailed Report (July 1998) : 149-190. https://fraser.stlouisfed.org/title/63/item/21753/toc/230608 , accessed on May 13, 2024.