Bonomo, F., Agostini, M., Brombin, M., Fantz, U., Franzen, P., Pasqualotto, R., et al. (2014). Tomography feasibility study on the optical emission spectroscopy diagnostic for the negative ion source of the ELISE test facility. Plasma Physics and Controlled Fusion, 56: 015006. doi:10.1088/0741-3335/56/1/015006.