@conference {Ioannidis,
	title = {{Eigenvalues and ohmic losses in coaxial gyrotron cavity}},
	booktitle = {Proceedings of the 14th Joint Workshop on Electron Cyclotron Emission and Electron Cyclotron Resonance Heating},
	year = {2006},
	pages = {548{\textendash}552},
	author = {Ioannidis, Z. C. and Dumbrajs, O. and Tigelis, I. G.}
}
