The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Cros:IPAC2017-WEPVA001} \bibitem{Cros:IPAC2017-WEPVA001} B. Cros, T. Audet, A. Chancé, N. Delerue, O. Delferrière, S. Dobosz-Dufrénoy, \emph{et al.}, % B. Cros, T. Audet, A. Chancé, N. Delerue, O. Delferrière, S. Dobosz-Dufrénoy, P. Lee, A. Maitrallain, G. Maynard, P. Monot, A. Mosnier, J. Schwindling, and A. Specka, % B. Cros \emph{et al.}, \textquotedblleft{Electron Injector for Multi-Stage Laser-Driven Plasma Accelerators}\textquotedblright, % in \emph{Proc. IPAC2017}, pp. 3244--3246, % in \emph{Proc. IPAC2017}, Copenhagen, Denmark, May 2017, paper WEPVA001, pp. 3244--3246, in \emph{Proc. 8th Int. Particle Accelerator Conf. (IPAC'17)}, Copenhagen, Denmark, May 2017, paper WEPVA001, pp. 3244--3246, % ISBN: 978-3-95450-182-3, \url{http://jacow.org/ipac2017/papers/wepva001.pdf}, \url{https://doi.org/10.18429/JACoW-IPAC2017-WEPVA001}, 2017.