The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
H.J. Qian, M. Krasilnikov, and F. Stephan, “A Cryocooled Normal-Conducting and Superconducting Hybrid CW Photoinjector”, in Proc. 38th Int. Free Electron Laser Conf. (FEL'17), Santa Fe, NM, USA, Aug. 2017, paper WEP009, pp. 436-439, ISBN: 978-3-95450-179-3, https://doi.org/10.18429/JACoW-FEL2017-WEP009, 2018.