@InProceedings NSG09a,
author = "N\' Boungui, Gaston and Semail, Betty and Giraud, Fr\'ed\'eric",
title = "friction control with a piezo-electric vibrating actuator",
booktitle = "13th International European Power Electronics Conference, EPE 2009",
month = "sep",
year = "2009",
address = "Barcelona",
}