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B. Ecker, D. Drickey, and S. Putnam, “Further Studies of Collective Acceleration of Positive Particles Using Intense Electron Beams”, in Proc. 5th Particle Accelerator Conf. (PAC'73), San Francisco, CA, USA, Mar. 1973, pp. 301-305. |
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B. Ecker and S. Putnam, “Collective Ion Acceleration and Power Balance in Intense Electron Beams in Neutral Gas”, in Proc. 7th Particle Accelerator Conf. (PAC'77), Chicago, IL, USA, Mar. 1977, pp. 1665-1668. |
