@INPROCEEDINGS{ruttkayaisb2007,
 	author={Z.M. Ruttkay and H. van Welbergen},
 	title={Let's shake hands! On the coordination of gestures of humanoids},
 	booktitle={Artificial and Ambient Intelligence},
 	year=2007,
 	pages={164--168},
 	address={Newcastle University, Newcastle upon Tyne, UK},
 	month=apr,
}