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Circute Systems. The Protection of Communications

by Benry, Beker | Piper, Fred.

Material type: book Book; Format: print ; Literary form: Not fiction Publisher: Londen Northwood 1982Availability: Items available for reference: [Call number: 621.3852 B424] (1).

Cipher Systems: The Protection of Communications

by Beker, Henry | Piper, Fred.

Material type: book Book; Format: print ; Literary form: Not fiction Publisher: LONDON NORTHWOOD 1982Availability: Items available for loan: [Call number: 621.3852 B424] (1).

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