• [1]

    . Harkewicz R et al. Rev. Sci. Instrum., 1995, 66: 28832. Nassar H et al. Physical Review Letters, 2005, 94: 93. Schlapp M et al. Proceedings of the 13th International Workshop on ECR Ion Sources, College Station, TX, 1997,224. Vondrasek R C, Pardo R C. Proceedings of the 14th International Workshop on ECR Ion Sources, CERN, Geneva,Switzerland, 1999, 1915. www.Ameritherm.com6. Private communication7. Private communication