@INPROCEEDINGS{welbergen2007,
 	author={H. van Welbergen and Z.M. Ruttkay},
 	title={On the parametrization of clapping},
 	booktitle={Proceedings of the 7th International Workshop on Gesture in Human-Computer Interaction and Simulation},
 	year=2007,
 	editor={M.S. Dias and R. Jota},
 	pages={20--21},
 	address={Lisboa, Portugal},
 	publisher={ADETTI}, 	
}