The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
H. J. Choi, K.H. Gil, H.-S. Kang, H.-G. Lee, S.B. Lee, and K.W. Seo, “Introduction to WPS System Designed to Measure the Change of Location for PAL-XFEL Girder”, in Proc. 7th Int. Particle Accelerator Conf. (IPAC'16), Busan, Korea, May 2016, paper WEPOR015, pp. 2693-2695, ISBN: 978-3-95450-147-2, doi:10.18429/JACoW-IPAC2016-WEPOR015, http://jacow.org/ipac2016/papers/wepor015.pdf, 2016.