Z. H. Luo, X. L. Guan, S. N. Fu, L. L. Wang and Z. Y. Guo, “Beam Dynamics Design and Error Study of the 5MeV RFQ,” Proceedings of the Second Asian Particle Accelerator Conference, Beijing, 17-21 September 2001, pp. 439-441.
 H. J. Kwon, Y. S. Cho, J. H. Jang, H. S. Kim and Y. H. Kim, “Fabrication of the PEFP 3 MeV RFQ Upgrade,” Proceedings of 2005 Particle Accelerator Conference, Knoxville, Tennessee, 16-20 May 2005, pp. 3010-3012.
 J. M. Han, Y. S. Cho, B. J. Yoon, B.H. Choi, Y. S. Bae, I. S. Ko, and B. S. Han, “Design of the KOMAC H+/H- RFQ Linac,” Proceedings of XIX International Linear Accelerator Conference, Illinois, 23-28 August 1998, pp. 774-776.
 CST Studio Suite, “CST Microwave Studio,” 2008. http:// www.cst.com
 D. Li, J. W. Staples and S. P. Virostek, “Detailed Model-ing of the SNS RFQ Structure with CST Microwave Stu-dio,” Proceedings of LINAC 2006, Knoxville, Tennessee, 21-25 August, 2006, pp. 580-582.
 H. F. OuYang, T. G. Xu, X. L. Guan, Z. H. Luo and W. W. Xu, “The Study on RF Field of an RFQ,” Proceedings of the Second Asian Particle Accelerator Conference, Beijing, 17-21 September 2001, pp. 722-724.