1. Efficient generation of multigigawatt rf power by a klystronlike amplifier
2. Externally modulated intense relativistic electron beams
3. Relativistic Klystron amplifiers driven by modulated intense relativistic electron beams
4. D. Sprehn , G. Caryotakis , E. Jongewaard , R. M. Phillips , and A. Vlieks ,Intense Microwave Pulses VII at SPIE 2000 Aero Sense Symposium Proceedings of SPIE, Florida, America, 24–28 April 2000, edited by D. Sprehn and G. Caryotakis ( Institute of Stanford Linear Accelerator Center, Stanford, 2000), pp. 85–90.