TY  - BOOK
AU  - Mukharji,Dipankar
AU  - Majumdar,P.Sarathi
TI  - Cryptography through the ages
SN  - (pbk.)
U1  - 652.8 22
PY  - 2003///
CY  - Kolkata
PB  - The Authors
KW  - Cryptography
KW  - Signs and symbols
KW  - Ciphers
ER  -