Securing multi-operator-based QoS-aware mesh networks: requirements and design options. - Ioannis G. Askoxylakis; Boldizsár Bencsáth; Levente Buttyán; László Dóra; Vasilios A. Siris; D. Szili; István Vajda (Wirel. Commun. Mob. Comput., 2010)