The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
R. Hajima, M. Fujiwara, “Generation of GeV Photons from X-ray Free Electron Laser Oscillators”, in Proc. 7th Int. Particle Accelerator Conf. (IPAC'16), Busan, Korea, May 2016, paper MOPOW017, pp. 751-753, ISBN: 978-3-95450-147-2, doi:10.18429/JACoW-IPAC2016-MOPOW017, http://jacow.org/ipac2016/papers/mopow017.pdf, 2016.