selected publications academic article Current challenges for scaling of tunnel drainage systems - Modelling approaches, monitoring tools and prevention strategies / Aktuelle Herausforderungen bei der Versinterung von Tunneldränagen - Modellierungsansätze, Monitoringwerkzeuge und Präventionsst. Geomechanik Und Tunnelbau. 6:743-753. 2013 conference paper Pervasive Communities in the Internet of People. . 2018 "IMS in a Bottle": Initial Experiences from an OpenSER-based Prototype Implementation of the 3GPP IP Multimedia Subsystem. . 2006