@conference {81,
	title = {Global Trajectory Tracking for Underactuated {VTOL} Aerial Vehicles using Cascade Control Paradigms},
	booktitle = {Proceedings of the IEEE Conference on Decision and Control},
	series = {NULL},
	year = {2013},
	pages = {4212{\textendash}4217},
	keywords = {attitude control},
	author = {R. Naldi and M. Furci and R. G. Sanfelice and L. Marconi}
}
