|
P. Sprangle and C.-M. Tang, “Laser Beat Wave Electron Accelerator”, in Proc. 9th Particle Accelerator Conf. (PAC'81), Washington D.C., USA, Mar. 1981, pp. 3346-3349. |
|
P. H. Debenham et al., “The NIST-NRL Free-Electron Laser Facility”, in Proc. 13th Particle Accelerator Conf. (PAC'89), Chicago, IL, USA, Mar. 1989, pp. 775-780. |