@INPROCEEDINGS{Ruttkay640:2006,
 	author={Z.M. Ruttkay and J. Zwiers and H. van Welbergen and D. Reidsma},
 	title={Towards a Reactive Virtual Trainer},
 	booktitle={Proc. of the 6th International Conference on Intelligent Virtual Agents, IVA 2006},
 	year=2006,
 	volume=4133,
 	series={LNAI},
 	pages={292--303},
 	address={Marina del Rey, CA, USA},
 	publisher={Springer},
 	month=aug,
 	note={ISBN=3-540-37593-7, ISSN=0302-9743},
}