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. "May 1999," PPI Detailed Report (May 1999) : 21-147. https://fraser.stlouisfed.org/title/63/item/21764/toc/255682 , accessed on April 18, 2024.