Avramides KA, Pagonakis IG, Piosczyk B, Vomvoridis JL. Possible excitation of radial satellites in high-power gyrotrons. In: IRMMW-THz2007 - Conference Digest of the Joint 32nd International Conference on Infrared and Millimetre Waves, and 15th International Conference on Terahertz Electronics. ; 2007. pp. 700-701.