Wagner, D., Franke, T., Leuterer, F., Monaco, F., Münich, M., Schütz, H., et al. (2008). Multi-frequency ECRH at ASDEX Upgrade. Talk presented at 7th International Workshop "Strong Microwaves: Sources and Applications". Nizhny Novgorod. 2008-07-27 - 2008-08-02.