TY  - BOOK
AU  - Stallings,William
TI  - Network security essentials: applications and standards 
SN  - 9789352866601
U1  - 005.8 
PY  - 2018///
CY  - Noida
PB  - Pearson
KW  - Computer networks
KW  - Security measures
KW  - Computer science
KW  - Computer security
N1  - Includes bibliographical references
ER  -