Dumbrajs O, Glyavin M, Idehara T, Ioannidis ZC, Khizhnyak V, Luchinin A, Morizkin MV, Saito T, Tigelis IG. {Continuously Tuneable Coaxial Gyrotrons}. In: 7th International Workshop Strong Microwaves: Sources and Applications, Conference Digest. ; 2008. pp. 139?143.