Federal Reserve Bank of Dallas. "Data Communications Security, Circular No. 85-9," District Notices (Federal Reserve Bank of Dallas) (January 16, 1985). https://fraser.stlouisfed.org/title/5569/item/545313, accessed on April 23, 2024.
Federal Reserve Bank of Dallas. "Data Communications Security, Circular No. 85-9," District Notices (Federal Reserve Bank of Dallas) (January 16, 1985). https://fraser.stlouisfed.org/title/5569/item/545313, accessed on April 23, 2024.