The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
W. Schöllkopf et al., “The FHI FEL Upgrade Design”, in Proc. FEL'19, Hamburg, Germany, Aug. 2019, pp. 52-55. doi:10.18429/JACoW-FEL2019-TUP006