@article {113,
	title = {Robust Global Trajectory Tracking for a Class of Underactuated Vehicles},
	journal = {Automatica},
	volume = {58},
	year = {2015},
	month = {August},
	pages = {90-98},
	keywords = {attitude control},
	author = {P. Casau and R. G. Sanfelice and R. Cunha and D. Cabecinhas and C. Silvestre}
}
@article {104,
	title = {A Globally Asymptotically Stabilizing Trajectory Tracking Controller for Fully Actuated Rigid Bodies using Landmark-based Information},
	journal = {International Journal of Robust and Nonlinear Control},
	volume = {25},
	year = {2015},
	pages = {3617--3640},
	keywords = {attitude control},
	doi = {10.1002/rnc.3283},
	author = {P. Casau and R. G. Sanfelice and R. Cunha and C. Silvestre}
}
@conference {90,
	title = {A Hybrid Feedback Controller for Robust Global Trajectory Tracking of Quadrotor-like Vehicles with Minimized Attitude Error},
	booktitle = {Proceedings of the 2014 IEEE International Conference on Robotics and Automation},
	series = {NULL},
	year = {2014},
	month = {June},
	pages = {6272--6277},
	keywords = {attitude control},
	author = {P. Casau and R. G. Sanfelice and R. Cunha and D. Cabecinhas and C. Silvestre}
}
@conference {71,
	title = {Global Trajectory Tracking for a Class of Underactuated Vehicles},
	booktitle = {Proceedings of the American Control Conference},
	series = {NULL},
	year = {2013},
	month = {June},
	pages = {419{\textendash}424},
	keywords = {attitude control},
	url = {https://hybrid.soe.ucsc.edu/files/preprints/71.pdf},
	author = {P. Casau and R. G. Sanfelice and R. Cunha and D. Cabecinhas and C. Silvestre}
}
