The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
K. Ohmi, “Three Dimensional Wake Field for an Electron Moving in Undulator”, in Proc. 8th Int. Particle Accelerator Conf. (IPAC'17), Copenhagen, Denmark, May 2017, paper WEPIK073, pp. 3098-3100, ISBN: 978-3-95450-182-3, https://doi.org/10.18429/JACoW-IPAC2017-WEPIK073, http://jacow.org/ipac2017/papers/wepik073.pdf, 2017.