Keller, A., Leuterer, F., Maraschek, M., Suttrop, W., Zohm, H., & ASDEX Upgrade Team, (2003). Analysis methods and conditions for feedback controlled NTM stabilization. In R., Koch, & S., Lebedev (Eds.), 30th EPS Conference on Plasma Physics and Controlled Fusion. Geneva: European Physical Society.