Federal Reserve Bank of Philadelphia. "November/December 1987," Business Review (Federal Reserve Bank of Philadelphia) (November/December 1987). https://fraser.stlouisfed.org/title/5580/item/557637, accessed on April 18, 2024.
Federal Reserve Bank of Philadelphia. "November/December 1987," Business Review (Federal Reserve Bank of Philadelphia) (November/December 1987). https://fraser.stlouisfed.org/title/5580/item/557637, accessed on April 18, 2024.