TY  - BOOK
AU  - Shepherd, Simon J.
AU  - 
TI  - Cryptography: diffusing the confusion
T2  - Communications systems
SN  - 0863802702
U1  - 518.1 
PY  - 2001///
CY  - London
PB  - Research Studies Press
N1  - "Purchased under NBHM grant for the year 2001-2002"
ER  -