Klima, R. E. (2012). Cryptology: Classical and modern with maplets. CRC.
शिकागो स्टाइल उद्धरणKlima, Richard E. Cryptology: Classical and Modern with Maplets. Boca Raton: CRC, 2012.
एमएलए उद्धरणKlima, Richard E. Cryptology: Classical and Modern with Maplets. CRC, 2012.
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