Percent Changes in Producer Price Indexes for the Output of Selected SIC Industries
United States. Bureau of Labor Statistics. "Percent Changes in Producer Price Indexes for the Output of Selected SIC Industries," in United States. Bureau of Labor Statistics. "September 1978," PPI Detailed Report (September 1978) : 72-74. https://fraser.stlouisfed.org/title/63/item/21514/toc/177733 , accessed on May 4, 2024.