Georgios Kambourakis Constantinos Kolias Stefanos Gritzalis Jong Hyuk Park Signaling-Oriented DoS Attacks in UMTS Networks. 280-289 2009 ISA http://dx.doi.org/10.1007/978-3-642-02617-1_29 conf/sersc-isa/2009 db/conf/sersc-isa/isa2009.html#KambourakisKGP09