@conference {WPB_cdc10,
	title = {Controllability Properties for Aircraft Formations},
	booktitle = {International Conference on Decision and Control - CDC 2010},
	year = {2010},
	pages = {2047 - 2054},
	keywords = {Embedded Control, Robotics},
	author = {H. Wang and L. Pallottino and A. Bicchi}
}
