@article{Schi99,
	author = {Schill, A., Kümmel, S., Springer, T., Ziegert, T.},
	title = {Two Approaches for an Adaptive Multimedia Transfer Service for Mobile Environments},
	journal = {Computers & Graphics, Vol. 23, No. 5, 1999, pp. 849-856},
	year = {1999}
}