The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
W. Kaabi et al., “PERLE, a Powerful ERL for Experiments at Orsay”, presented at the 29\textsuperscript{th} Linear Accelerator Conf. (LINAC'18), Beijing, China, Sep. 2018, paper WE1A01, unpublished.