Federal Reserve Bank of St. Louis. "April 9, 1987," U.S. Financial Data (April 9, 1987). https://fraser.stlouisfed.org/title/5335/item/538705, accessed on April 23, 2024.
Federal Reserve Bank of St. Louis. "April 9, 1987," U.S. Financial Data (April 9, 1987). https://fraser.stlouisfed.org/title/5335/item/538705, accessed on April 23, 2024.