The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
L.H. Yu, “Gain of Hard X-Ray Fel at 3 GeV and Required Parameters”, in Proc. IPAC'21, Campinas, SP, Brazil, May 2021, pp. 178-181. doi:10.18429/JACoW-IPAC2021-MOPAB040