Producer Price Indexes and Percent Changes for Net Material Inputs to Industry Stage of Process and Final Demand
United States. Bureau of Labor Statistics. "Producer Price Indexes and Percent Changes for Net Material Inputs to Industry Stage of Process and Final Demand," in United States. Bureau of Labor Statistics. "March 1990," PPI Detailed Report (March 1990) : 193-193. https://fraser.stlouisfed.org/title/63/item/21655/toc/265801 , accessed on April 22, 2024.