TY  - BOOK
AU  - Hardy,Darel W.
AU  - Walker,Carol L.
AU  - Richman,Fred
TI  - Applied algebra: codes, ciphers, and discrete algorithms 
T2  - Discrete mathematics and its applications
SN  - 9781420071429
PY  - 2009///
CY  - Boca Raton
PB  - Chapman & Hall/CRC
KW  - Coding theory
KW  - Computer security
KW  - Mathematics
N1  - "A Chapman & Hall book"; Includes bibliographical references and index
ER  -