Wünderlich, D., Kraus, W., Fröschle, M., Riedl, R., Fantz, U., Heinemann, B., et al. (2016). Influence of the magnetic field topology on the performance of the large area negative hydrogen ion source test facility ELISE. Plasma Physics and Controlled Fusion, 58: 125005. doi:10.1088/0741-3335/58/12/125005.