United States. Bureau of Labor Statistics. "February 1980," PPI Detailed Report (February 1980). https://fraser.stlouisfed.org/title/63/item/21531, accessed on March 18, 2024.
United States. Bureau of Labor Statistics. "February 1980," PPI Detailed Report (February 1980). https://fraser.stlouisfed.org/title/63/item/21531, accessed on March 18, 2024.