Producer Price Indexes for Selected Stage-of-Processing Groupings, Seasonally Adjusted
United States. Bureau of Labor Statistics. "Producer Price Indexes for Selected Stage-of-Processing Groupings, Seasonally Adjusted," in United States. Bureau of Labor Statistics. "April 1987," PPI Detailed Report (April 1987) : 21-21. https://fraser.stlouisfed.org/title/63/item/21617/toc/254217 , accessed on April 23, 2024.