TY  - GEN
AU  - Burns, David
AU  - David Burns
ED  - Adesina, Odunayo
TI  - CCNP Security IPS 642-627 official cert guide
SN  - 9781587142550
U1  - 005.8076 
PY  - 2012///
CY  - USA
PB  - Cisco Press
KW  - Telecommunications engineers--Certification
ER  -