Price Indexes and Percent Changes for Total Railroad Freight and Selected STCC Groups
United States. Bureau of Labor Statistics. "Price Indexes and Percent Changes for Total Railroad Freight and Selected STCC Groups," in United States. Bureau of Labor Statistics. "June 1983," PPI Detailed Report (June 1983) : 122-122. https://fraser.stlouisfed.org/title/63/item/21571/toc/175213 , accessed on April 25, 2024.