4xx's: Alternate Name Forms (3)
- 400 1 _ ‡a Lyon, G. E.
- 400 1 _ ‡a Lyon, Gordon "Fyodor".
- 400 1 _ ‡a Lyon, Gordon Edward.
- Nmap Network Scanning (2)
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- Nmap Network Scanning : official Nmap Project Guide to network discovery and security scanning (1)