United States. Bureau of Labor Statistics. "February 1999," CPI Detailed Report (February 1999). https://fraser.stlouisfed.org/title/58/item/19497, accessed on April 23, 2024.
United States. Bureau of Labor Statistics. "February 1999," CPI Detailed Report (February 1999). https://fraser.stlouisfed.org/title/58/item/19497, accessed on April 23, 2024.