An Infrastructure for Collaborative Teleteaching. - Katrin Franze; Olaf Neumann 001; Alexander Schill; Sandra Stöcker (WETICE, 1997)

Teleteaching Dresden-Freiberg. - Olaf Neumann 001; Sandra Stöcker; Alexander Schill; Klaus Irmscher; Hermann Körndle (Prax. Inf.verarb. Kommun., 1997)