Federal Reserve Bank of St. Louis. "April 16, 1987," U.S. Financial Data (April 16, 1987). https://fraser.stlouisfed.org/title/5335/item/538706, accessed on January 23, 2021.
Federal Reserve Bank of St. Louis. "April 16, 1987," U.S. Financial Data (April 16, 1987). https://fraser.stlouisfed.org/title/5335/item/538706, accessed on January 23, 2021.