ECRH scenarios with selective heating of trapped/passing electrons in the W7-X Stellarator N.B. Marushchenko, C.D. Beidler, V. Erckmann, J. Geiger, P. Helander, H.P Laqua, H. Maassberg and Y. Turkin EPJ Web of Conferences, 87 (2015) 01007 Published online: 12 March 2015 DOI: 10.1051/epjconf/20158701007