Franck J, Pagonakis IG, Avramidis KA, Gantenbein G, Illy S, Thumm M, Jelonnek J. Magnetron injection gun for a 238 GHz 2 MW coaxial-cavity gyrotron. In: 2015 German Microwave Conference, GeMiC 2015. ; 2015. pp. 260-263.