RF  Hubbard, Gordon, DF , Cooley, JH , Hafizi, B , Jones, TG , Kaganovich, D , Sprangle, P , Ting, A , Zigler, A , and Dexter, J . 2005. ?Special Issue Papers-High Energy Density Plasmas And Their Interactions-Trapping And Acceleration Of Nonideal Injected Electron Bunches In Laser Wakefield Accelerators?. Ieee Transactions On Plasma Science, 33, Pp. 712?722.