TY  - BOOK
AU  - Singh, Simon
TI  - Code book : the science of secrecy from ancient Egypt to quantum cryptography
SN  - 0385495323
U1  - 005.8 
PY  - 1999///
CY  - New York
PB  - Anchor Books
KW  - Information Technology
KW  - Computer Sciences
KW  - Cryptography
ER  -