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Dewdney, A.K.: Chiffriermethoden von Caesar bis zur ENIGMA (1988) 0.00

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Footnote: Beitrag zur Codierung und Kryptologie

Dewdney, A.K.: Moderne Computer-Verschlüsselungsmethoden (1989) 0.00

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Abstract: Beitrag zur Codierung und Kryptologie