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., “Harmonic Lasing Experiment at the European XFEL”, in Proc. FEL'19, Hamburg, Germany, Aug. 2019, pp. 29-32. doi:10.18429/JACoW-FEL2019-TUA04