Wünderlich, D., Riedl, R., Fantz, U., Heinemann, B., Kraus, W., & NNBI Team, Max Planck Institute for Plasma Physics, Max Planck Society (2018). Initial caesium conditioning in deuterium of the ELISE negative ion source. Plasma Physics and Controlled Fusion, 60: 085007. doi:10.1088/1361-6587/aac7fb.