@conference {107,
	title = {Global Exponential Stabilization on the $n$-Dimensional Sphere},
	booktitle = {Proceedings of the American Control Conference},
	series = {NULL},
	year = {2015},
	month = {June},
	pages = {3218--3223},
	keywords = {attitude control, hybrid systems},
	author = {P. Casau and C. G. Mayhew and R. G. Sanfelice and C. Silvestre}
}
