Mayhew C.G, Sanfelice R.G, Sheng J., Arcak M., Teel A.R.  2012.  Quaternion-Based Hybrid Feedback for Robust Global Attitude Synchronization. IEEE Transactions on Automatic Control. 57:2122–2127.

Mayhew C.G, Sanfelice R.G, Teel A.R.  2011.  On Quaternion-Based Attitude Control and the Unwinding Phenomenon. Proc. 30th American Control Conference. :299–304.

Mayhew C.G, Sanfelice R.G, Teel A.R.  2011.  Quaternion-Based Hybrid Controller for Robust Global Attitude Tracking. IEEE Transactions on Automatic Control. 56:2555–2566.