Jelonnek J, Avramidis K, Franck J, Dammertz G, Gantenbein G, Hesch K, Illy S, Jin J, Malygin A, Pagonakis IG, et al. Kit contribution to the gyrotron development for nuclear fusion experiments in Europe. In: 8th German Microwave Conference, GeMiC 2014. ; 2019.