Kappatou, A., Angioni, C., Bilato, R., Dunne, M., Dux, R., Frassinetti, L., et al. (2019). The properties of helium in tokamak plasmas, experimental studies and comparisons with theoretical predictions. Talk presented at 18th European Fusion Theory Conference (EFTC 2019). Ghent. 2019-10-07 - 2019-10-10.