1. MAX IV Conceptual Design Report (2006): https://www.maxlab.lu.se/sites/default/files/MAX-IV-CDR_0.pdf
2. A compact X-ray free-electron laser emitting in the sub-ångström region
3. L. Liu,Proc. of IPAC2013, Shanghai, China, May 12–17, 1874–1876 (2013).
4. SPring-8-II Conceptual Design Report, http://rsc.riken.jp/pdf/SPring-8-II.pdf (2014).