The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Ghaith:FEL2017-WEP064}
\bibitem{Ghaith:FEL2017-WEP064}
A. Ghaith, C. Benabderrahmane, F. Blache, O. Cosson, M.-E. Couprie, F. Forest, \emph{et al.},
% A. Ghaith, C. Benabderrahmane, F. Blache, O. Cosson, M.-E. Couprie, F. Forest, P. Jivkov, C.A. Kitegi, J.L. Lancelot, F. Marteau, P. N'gotta, M. Valléau, and J. Vétéran,
% A. Ghaith \emph{et al.},
\textquotedblleft{Tunable High-Gradient Quadrupoles for a Laser-Plasma Acceleration-Based FEL}\textquotedblright,
in \emph{Proc. FEL2017}, \url{https://doi.org/10.18429/JACoW-FEL2017-WEP064}, 2018.
% in \emph{Proc. FEL2017}, \url{https://doi.org/10.18429/JACoW-FEL2017-WEP064}, pp. 550--553.
% in \emph{Proc. FEL2017}, Santa Fe, NM, USA, Aug. 2017, paper WEP064, \url{https://doi.org/10.18429/JACoW-FEL2017-WEP064}
% in \emph{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,
% \url{http://jacow.org/fel2017/papers/wep064.pdf},
% \url{https://doi.org/10.18429/JACoW-FEL2017-WEP064}, 2018.