Codes, ciphers and secret writing / Martin Gardner
By: Gardner, Martin
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New York : Dover, 1972 Description: 96 p. ; 21 cm.ISBN: 0-486-24761-9.Subject(s): CriptografíaDDC classification: 001.5436 / G228c
Contents:
| Item type | Current location | Collection | Call number | Vol info | Copy number | Status | Notes | Date due | Barcode | Item holds |
|---|---|---|---|---|---|---|---|---|---|---|
Libros
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Biblioteca Central | FONDO BIBL | 001.5436 / G228c (Browse shelf) | 1 | Available | CO | 8000004500 |
Total holds: 0
Easy Transposition Ciphers -- Easy Substitution Ciphers -- How to Break Substitution Ciphers --
Hard-to-break Polyalphabetic Ciphers -- Simple Code Machines -- Invisible Writing -- Bizarre Methods of
Message Sending -- Codes for Other Worlds -- References for Further Reading --
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