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. "February 1992," PPI Detailed Report (February 1992) : 151-194. https://fraser.stlouisfed.org/title/63/item/21675/toc/271666 , accessed on March 29, 2024.