The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
E. Schneidmiller et al., “Feasibility Studies of the 100 keV Undulator Line of the European XFEL”, in Proc. FEL'19, Hamburg, Germany, Aug. 2019, pp. 172-175. doi:10.18429/JACoW-FEL2019-TUP056