Fantz, U., Franzen, P., Kraus, W., Berger, M., Christ-Koch, S., Fröschle, M., et al. (2007). Negative ion RF sources for ITER NBI: status of the deveopment and recent achievements. Invited Paper. Plasma Physics and Controlled Fusion, 49, B563-B580. Retrieved from http://dx.doi.org/10.1088/0741-3335/49/12B/S53.