TY  - BOOK
AU  - Kippenhahn, Rudolf
TI  - Code breaking : a history and exploration
SN  - 9781585670895
U1  - 652.809 KIP 
PY  - 2000///
CY  - Woodstock, N.Y
PB  - Overlook Press
KW  - Cryptography
KW  - Data encryption (Computer science)
ER  -