Producer Price Indexes for the Net Output of Selected Industries and Products
United States. Bureau of Labor Statistics. "Producer Price Indexes for the Net Output of Selected Industries and Products," in United States. Bureau of Labor Statistics. "June 1990," PPI Detailed Report (June 1990) : 14-140. https://fraser.stlouisfed.org/title/63/item/21656/toc/139858 , accessed on April 25, 2024.