Gaya APA
Frey, Gerhard. ().
The arithmetic behind cryptography .
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Gaya Chicago
Frey, Gerhard.
The arithmetic behind cryptography.
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Text.
Gaya MLA
Frey, Gerhard.
The arithmetic behind cryptography.
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Text.
Gaya Turabian
Frey, Gerhard.
The arithmetic behind cryptography.
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Print.