TY  - BOOK
AU  - Hardy,Darel W ,Richman,Fred
AU  - Walker,Carol L
TI  - Applied Algebra codes ciphers and discrete algorithms
SN  - 9781420071429
U1  - 003.54 
PY  - 2009///
CY  - Baca Raton
PB  - CRC Press
KW  - Mathematics
ER  -