The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
Z.T. Zhao and D. Wang, “XFEL Projects in China”, presented at the 29\textsuperscript{th} Linear Accelerator Conf. (LINAC'18), Beijing, China, Sep. 2018, paper MO2A01, unpublished.