1. Principles of traveling wave tubes;Gilmour,1994
2. Electromagnetic theory and applications in beam-wave electronics;Basu,1995
3. Attenuation and power handling capability of helical radio-frequency lines;Bryant;IRE Transactions on Microwave Theory and Techniques,1953
4. Nonlinear electron-wave interaction phenomena;Rowe,1965
5. Theoretical and experimental TWT helix loss determination;Gilmour;IEEE Transactions on Electron Devices,1979