TY  - BOOK
T1  - Code breaking :a history and exploration /
DA  - 1999.
CY  - Woodstock, N.Y. :
AU  - Kippenhahn, Rudolf,
ET  - 1st ed.
CN  - Z103
CN  - Z103
PB  - Overlook Press,
PP  - Woodstock, N.Y. :
LA  - eng
PY  - 1999.
ID  - 227503
KW  - Cryptography.
KW  - Cryptography
SN  - 0879519193
TI  - Code breaking :a history and exploration /
ER  -