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. "September 1997," PPI Detailed Report (September 1997) : 18-155. https://fraser.stlouisfed.org/title/63/item/21743/toc/81861 , accessed on May 2, 2024.