@article {67444,
	title = {Robust adaptive backstepping displacement tracking control with application for piezoelectric actuators},
	journal = {ElectromotionELECTROMOTION},
	volume = {17},
	year = {2010},
	month = {2010},
	author = {Ounissi, Amor and Abdessemed, Rachid and Kaddouri, Azeddine}
}
