Richard F Hubbard, Gordon, DF , Jones, TG , , , Sprangle, P , Ting, A , Hafizi, Bahman , Zigler, A , and Kaganovich, D . 2003. ?Simulation Of Accelerated Electron Spectra In Laser Wakefield Accelerators?. In Proceedings Of The 2003 Particle Accelerator Conference, 1:Pp. 716?718. IEEE.