The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
A. Malyzhenkov et al., “Generation of Sub-Femtosecond X-Ray Pulses at SwissFEL”, presented at the 39th Free Electron Laser Conf. (FEL'19), Hamburg, Germany, Aug. 2019, paper TUA03, unpublished.