@conference{Benz99,
	author = {Benz, M., Hess, R., Hutschenreuther, T., Kümmel, S., Schill, A.},
	title = {A Framework For High Quality/Low Cost Conferencing Systems},
	year = {1999},
	publisher = {Int. Workshop on Interactive Distributed Multimedia Systems and Telecommunication Services, Toulouse, Oct. 1999, Springer-Verlag, Berlin, LNCS 1718, pp. 305-320}
}