@conference{Neum97,
	author = {Neumann, O., Rennecke, S., Schill, A.},
	title = {Using Distributed Multimedia Infrastructures for Advanced Teleteaching Applications},
	year = {1997},
	publisher = {ACM/IEEE Int. Workshop on Interactive Distributed Multimedia Systems and Telecommunication Services, Darmstadt, Sept. 1997, LNCS 1309, Springer-Verlag, pp. 376-385}
}