The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
I. Vasserman, R.J. Dejus, Y. Piao, M.F. Qian, and J.Z. Xu, “Accurate Measurements of Undulator Particle Beam Entrance/Exit Angles Using Improved Hall Probes and Calibration Process”, in Proc. IPAC'21, Campinas, SP, Brazil, May 2021, pp. 2907-2909. doi:10.18429/JACoW-IPAC2021-WEPAB127