United States. Bureau of Labor Statistics. "December 1992," PPI Detailed Report (December 1992). https://fraser.stlouisfed.org/title/63/item/21686, accessed on July 11, 2024.
United States. Bureau of Labor Statistics. "December 1992," PPI Detailed Report (December 1992). https://fraser.stlouisfed.org/title/63/item/21686, accessed on July 11, 2024.