@INPROCEEDINGS{ruttkay2006,
 	author={Z.M. Ruttkay and H. van Welbergen},
 	title={On the timing of gestures of a Virtual Physiotherapist},
 	booktitle={3rd Central European Multimedia and Virtual Reality Conference},
 	year=2006,
 	editor={C.S. Lanyi},
 	pages={219--224},
 	address={Hungary},
 	publisher={Pannonian University Press},
 	note={ISBN=963 9495 89 1},
}