Solutions to security issues with legacy integration of GSM into UMTS. - Eric Southern; Abdelkader H. Ouda; Abdallah Shami (ICITST, 2011)

Wireless security: securing mobile UMTS communications from interoperation of GSM. - Eric Southern; Abdelkader H. Ouda; Abdallah Shami (Secur. Commun. Networks, 2013)