The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
K. Tian and H.-D. Nuhn, “Numerical Study of the Delta II Polarizing Undulator for LCLS II”, in Proc. IPAC'19, Melbourne, Australia, May 2019, pp. 1899-1902. doi:10.18429/JACoW-IPAC2019-TUPRB102