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. "October 1983," PPI Detailed Report (October 1983) : 136-136. https://fraser.stlouisfed.org/title/63/item/21575/toc/202841 , accessed on May 11, 2024.