1. G. Xu, L. Chen, N. Huang et al., Lattice design for the BEPCII storage ring. in Proceedings of EPAC 2002, Paris, France. pp. 437–439
2. Y. Chen, S. Wang, Q. Qin et al., Fringe field interference research on Quad-Sext assembly in BEPC-II. IEEE Trans Appl Supercond 24, 1–4 (2014). doi: 10.1109/TASC.2013.2282662
3. S.Y. Lee, Accelerator Physics (World Scientific, Singapore, 1999)
4. MAD Code Homepage. http://mad.web.cern.ch/mad/
5. J. Irwin, C.X. Wang, Explicit soft fringe maps of a quadrupole. IEEE Part Accel Conf 4, 2376–2378 (1996). doi: 10.1109/PAC.1995.505558