Contributions of the extended ELISE and BATMAN Upgrade test facilities to the roadmap towards ITER NBI oleh U. Fantz, D. Wünderlich, C. Wimmer, M. Barnes, N. den Harder, B. Heinemann, A. Heiler, M. Lindqvist, F. Merk, A. Navarro, R. Nocentini, G. Orozco, R. Riedl, D. Yordanov, D. Zielke