@INPROCEEDINGS{cgUCL-DVQ99,
 	AUTHOR={Desmedt, Yvo and V., Tri and Quisquater, Jean-Jacques},
	TITLE={{Nonbinary audio cryptography}},
	BOOKTITLE={Proceedings of Info Hiding '99},
	PUBLISHER={Springer-Verlag},
	SERIES={Lecture Notes in Computer Science (LNCS)},
	VOLUME={1768},
	PAGES={478-489},
	MONTH={1},
	YEAR={1999},
}

@INPROCEEDINGS{cgUCL-DHQ98,
 	AUTHOR={Desmedt, Yvo and Hou, S. and Quisquater, Jean-Jacques},
	TITLE={{Cerebral Cryptography}},
	BOOKTITLE={Proceedings of Information Hiding, Second International Workshop},
	PAGES={62-72},
	MONTH={4},
	YEAR={1998},
}