@article {96,
	title = {Input-Output-to-State Stability Tools for Hybrid Systems and Their Interconnections},
	journal = {IEEE Transactions on Automatic Control},
	volume = {59},
	number = {5},
	year = {2014},
	month = {May},
	pages = {1360-1366},
	keywords = {hybrid systems},
	author = {R. G. Sanfelice}
}
