Scheduler based flow control under QoS aspects in GPRS/EDGE networks. - Sergiu Tcaciuc; Andreas Kunz; Christoph Ruland; Volker Rapp (ICON, 2004)

An Architecture for Secure Policy Enforcement in E-Government Services Deployment. - Nikolaos Oikonomidis; Sergiu Tcaciuc; Christoph Ruland (Communications and Multimedia Security, 2005)

Design Principles and Aspects for Cross-Border Municipal Services Deployment. - Nikolaos Oikonomidis; Sergiu Tcaciuc; Christoph Ruland; Athanasios Karantjias; Alexandros Kaliontzoglou (EGOV (Workshops and Posters), 2005)

Provision of Secure Policy Enforcement Between Small and Medium Governmental Organizations. - Nikolaos Oikonomidis; Sergiu Tcaciuc; Christoph Ruland (TrustBus, 2005)