1. A. Shlapakovski, W. Jiang, and I. Vintizenko, in Proceedings of the 7th IEEE International Vacuum Electronics Conference IVEC-2006, Monterey, 2006, p.163.
2. A. Shlapakovski, Y. Hadas, and T. Kweller, IEEE Trans. Plasma Sci. 38, 474 (2010).
3. A. A. Yelizarov and Yu. N. Pchelnikov, Radiowave Elements of Technological Instruments and Devices Using Electrodynamic Slow-Wave Systems (Radio Svyaz’, Moscow, 2002) [in Russian].
4. A. A. Yelizarov and Yu. N. Pchelnikov, Elektron. Tekh., Ser. 1: SVCh-Tekh., Nos. 9–10 (453–454), 35 (1992).
5. A. A. Yelizarov and Yu. N. Pchelnikov, J. Commun. Technol. Electron. 41, 237 (1996).