Hotline and Consulting in a Metropolitan Area Network: The HotCon Approach to Integrated Services. - Lutz Nentwig; Sonia Manhart; Kurt Sandkuhl (Comput. Networks ISDN Syst., 1996)

Redesigning CSCW-systems for network computing-experience from the HotCon project. - Kurt Sandkuhl; Lutz Nentwig; Sonia Manhart; Petra Lafrenz (PDP, 1998)

Generic Architecture for Live Video Transmission. - Sonia Manhart; Andreas Kampa (Broadband European Networks and Multimedia Services, 1998)