@conference {MSVBB-CDC08,
	title = {Hybrid system reduction},
	booktitle = {Proc. IEEE Int. Conf. on Decision and Control},
	year = {2008},
	pages = {227 -232},
	keywords = {Embedded Control, Robotics},
	author = {E. Mazzi and A. Sangiovanni Vincentelli and A. Balluchi and A. Bicchi}
}
