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Cryptology : machines, history, & methods / Cipher Deavours ... [et al.].

by Deavours, Cipher A.

Material type: book Book; Format: print Publisher: Norwood, MA : Artech House, c1989Availability: Items available for loan: Science Museum London [Call number: 003.26:93 CRYPTOLOGY] (1).
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Cryptology : yesterday, today, and tomorrow / Cipher A. Deavours ... [et. al.].

by Deavours, Cipher A.

Material type: book Book; Format: print Publisher: Boston : Artech House, c1987Availability: Items available for loan: Science Museum Wroughton [Call number: 003.26:93 CRYPTOLOGY] (1).