@incollection{r.2003,
	author="R. Vidal and A. Chiuso and S. Soatto and S. Sastry",
	title="Observability Linear Hybrid Systems",
	booktitle="Hybrid Systems: Computation and Control 6th International Workshop HSCC 2003",
	year="2003",
	pages="526--539",
	volume="-",
	chapter="Observability Linear Hybrid Systems"
}