D Kaganovich, Ting, A , Moore, CI , Zigler, A , Burris, HR , Ehrlich, Y , Hubbard, R , and Sprangle, P . 1999. “High Efficiency Guiding Of Terawatt Subpicosecond Laser Pulses In A Capillary Discharge Plasma Channel”. Physical Review E, 59, Pp. R4769.