TY  - BOOK
AU  - Mollin,Richard A.
TI  - Codes: the guide to secrecy from ancient to modern times 
SN  - 1584884703
PY  - 2005///
CY  - Boca Raton
PB  - Chapman & Hall/CRC
KW  - Computer security
KW  - Data encryption (Computer science)
ER  -