Development of a second cyclotron harmonic gyrotron operating at submillimeter wavelengths - Idehara, T.; Tatsukawa, T.; Ogawa, I.; Tanabe, H.; Mori, T.; Wada, S.; Brand, G. F.; Brennan, M. H. (American Institute of Physics (AIP), 1992)
http://dx.doi.org/10.1063/1.860443
Keywords: U