The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
T. Wei, P. Li, Y. Li, and J. Pflüger, “Spontaneous Radiation of High-order Magnetic Field Undulator”, in Proc. 13th Symposium on Accelerator Physics (SAP'17), Jishou, China, Aug. 2017, paper TUPH09, pp. 146-149, ISBN: 978-3-95450-199-1, https://doi.org/10.18429/JACoW-SAP2017-TUPH09, 2018.