TY  - BOOK
AU  - Wrixon, fred B
TI  - Codes, ciphers and other cryptic & clandestine communication making and breaking secret message from hieroglyphs to the internet
SN  - 0760754780
AV  - Z103.3. W7 1998 
PY  - 1998///
CY  - New york
PB  - Barnes & nobles. books
KW  - cryptography
KW  - ciphers
ER  -