Delegating Remote Operation Execution in a Mobile Computing Environment. - Dietmar A. Kottmann; Ralph Wittmann; Markus Posur (Mob. Networks Appl., 1996)

Towards Support for Heterogeneous Multimedia Communications. - Ralph Wittmann; Martina Zitterbart (FTDCS, 1997)

Active multicasting for heterogeneous groups. - Ralph Wittmann; Martina Zitterbart (Broadband Communications, 1998)

AMnet: active multicasting network. - Ralph Wittmann; Martina Zitterbart (ICC, 1998)

Heterogeneous Multicasting based on RSVP and QoS Filters. - Ralph Wittmann; Kai Krasnodembski; Martina Zitterbart (Broadband European Networks and Multimedia Services, 1998)

Multicast - Protokolle und Anwendungen. - Ralph Wittmann; Martina Zitterbart (dpunkt, 1999)

Towards Scalable Quality-Based Heterogeneous Multicast Services. - Bernard Metzler; Ralph Wittmann; Martina Zitterbart (Kommunikation in Verteilten Systemen, 1999)

AMnet: efficient and flexible provision of heterogeneous multicast services. - Bernard Metzler; Ralph Wittmann; Anke Speer; Martina Zitterbart (LANMAN, 1999)

Frischer Wind im Internet: Aktive Netze. - Ralph Wittmann; Martina Zitterbart (Prax. Inf.verarb. Kommun., 1999)

Locating Services in Programmable Networks with AMnet-Signalling. - Anke Speer; Ralph Wittmann; Martina Zitterbart (SMARTNET, 2000)

Providing heterogeneous multicast services with AMnet. - Till Harbaum; Anke Speer; Ralph Wittmann; Martina Zitterbart (J. Commun. Networks, 2001)

Resource Analysis of Automotive/Infotainment Systems Based on Domain-Specific Models - A Real-World Example. - Klaus Birken; Daniel Hünig; Thomas Rustemeyer; Ralph Wittmann (ISoLA (2), 2010)