Wünderlich, D., Schiesko, L., McNeely, P., Fantz, U., Franzen, P., & NNBI Team (2012). On the proton flux towards the plasma grid in a RF-driven negative hydrogen ion source for ITER NBI. Plasma Physics and Controlled Fusion, 54: 125002 (9pp). doi:10.1088/0741-3335/54/12/125002.