The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
T.O. Raubenheimer, “The LCLS-II-HE, A High Energy Upgrade of the LCLS-II”, in Proc. 60th ICFA Advanced Beam Dynamics Workshop on Future Light Sources (FLS'18), Shanghai, China, Mar. 2018, pp. 6-11, doi:10.18429/JACoW-FLS2018-MOP1WA02