Keehn, Silas and Federal Reserve Bank of Chicago. "Remarks, Information Security Conference" in Statements and Speeches of Silas Keehn (September 10, 1987). https://fraser.stlouisfed.org/title/8962/item/665987, accessed on May 15, 2024.
Keehn, Silas and Federal Reserve Bank of Chicago. "Remarks, Information Security Conference" in Statements and Speeches of Silas Keehn (September 10, 1987). https://fraser.stlouisfed.org/title/8962/item/665987, accessed on May 15, 2024.