Wireless internet access over GSM and UMTS / Manfred Taferner, Ernst Bonek
Snort 2.0 : intrusion detection / Jay Beale and James C. Foster; advis. Jeffrey Posluns; ed. Brian Caswell
Check point NG VPN-1/FireWall-1 : advanced configuration and troubleshooting / Jim Noble...[et al.]
Ovum's vision for next-generation telco IT [documento electrónico] / David James, Eirwen Nichols