@conference {118,
	title = {Results on Stability and Robustness of Hybrid Limit Cycles for A Class of Hybrid Systems},
	booktitle = {Proceedings of the IEEE Conference on Decision and Control},
	series = {NULL},
	year = {2015},
	month = {December},
	pages = {2235--2240},
	author = {X. Lou and Y. Li and R. G. Sanfelice}
}
