1. I.M. Kapchinskij, Particle Dynamics in Resonant Linear Accelerators (Atomizdat, Moscow, 1966). Translated as LANL report LA-TR-80-10 (1980)
2. M. Reiser, Theory and Design of Charged Particle Beams, 2nd edn. (Wiley, Weinheim, 2008)
3. H. Wiedemann, Particle Accelerator Physics Part III (Springer, Berlin/Heidelberg, 2007), p. 335ff
4. T.P. Wangler, RF Linear Accelerators, 2nd edn. (Wiley, New York, 2008)
5. D.C. de Packh, J. Electron. Contr. 13, 417 (1962)