The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
M. Kasa et al., “Design, Construction, and Magnetic Field Measurements of a Helical Superconducting Undulator for the Advanced Photon Source”, in Proc. 9th Int. Particle Accelerator Conf. (IPAC'18), Vancouver, BC, Canada, Apr. 4,, pp. 1263-1265, doi:10.18429/JACoW-IPAC2018-TUPMF008