The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
B.E. Carlsten, “Accelerator Challenges for XFELs with Very High X-Ray Energies”, presented at the 39th Free Electron Laser Conf. (FEL'19), Hamburg, Germany, Aug. 2019, paper MOC04, unpublished.