TY  - BOOK
AU  - Lehlinen, Rick; Russell, Deborah, Gangemi G T
TI  - Computer Security Systems
SN  - 9788184041583
U1  - 005.8 LEH-C2 
PY  - 2015///
CY  - U S A
PB  - O'Reilly
KW  - Computer Security
ER  -