The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
H. Kawata, "Operational Progress in Compact-ERL and Development of ERL-FEL for EUV Light Source at KEK", presented at the 17th International Conference on RF Superconductivity, Whistler, BC, Canada, 13-18, 2015, paper TUAA01, unpublished.