TY  - BOOK
AU  - Biggs, Norman L.  .
TI  - Codes: an introduction to information communication and crytography / 
SN  - 978-1-84800-272-2
U1  - B 
PY  - 2008///
CY  - London : 
PB  - Springer-Verlag , 
KW  - Mathematics- Codes- Cryptography
ER  -