TY  - BOOK
AU  - Mollin, Richard A
AU  - Kenneth H. Rosen
TI  - Codes: the guide to secrecy from ancient to modern times
SN  - 9781584884705
U1  - 519.854 
PY  - 2005///
CY  - Boca Raton
PB  - Chapman and Hall/CRC
KW  - CRYPTOGRAPHYPROBABILITY THEORY
KW  - DISCRETE MATHEMATICS
N1  - Includes bibliography, list of symbols, and index. (Ref. sec)
ER  -