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Digital Fortress

When the National Security Agency's invincible code-breaking machine encounters a mysterious code it cannot break, the agency calls in its head cryptographer, Susan Fletcher, a brilliant, beautiful mathematician. What she uncovers sends shock waves through the corridors of power.

Nyelv: angol Oldalszám: 510 Kötés: karton EAN: 9780552159739 Azonosító: 379193