The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
A. Ghaith et al., “Tunable High-Gradient Quadrupoles for a Laser-Plasma Acceleration-Based FEL”, in Proc. 38th Int. Free Electron Laser Conf. (FEL'17), Santa Fe, NM, USA, Aug. 2017, paper WEP064, pp. 550-553, ISBN: 978-3-95450-179-3, https://doi.org/10.18429/JACoW-FEL2017-WEP064, 2018.