PolyPhone. Internet-Telefonie und mehr für die ETH Community. - Armin Brunner; Michele De Lorenzi (Prax. Inf.verarb. Kommun., 2007)

REPLAY: an integrated and open solution to produce, handle, and distributeaudio-visual (lecture) recordings. - Olaf A. Schulte; Tobias Wunden; Armin Brunner (SIGUCCS, 2008)