The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
P.H. Williams, “A Hard X-Ray FEL and Nuclear Physics Facility Based on a Multi-Pass Recirculating Superconducting CW Linac with Energy Recovery”, presented at the 63th ICFA Advanced Beam Dynamics Workshop on Energy Recovery Linacs (ERL'19), Berlin, Germany, Sep. 2019, paper MOCOYBS02, unpublished.