The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Purwar:IPAC2017-MOPAB028} \bibitem{Purwar:IPAC2017-MOPAB028} H. Purwar, C. Bruni, A. Gonnin, and T. Vinatier, \textquotedblleft{Estimation of Longitudinal Dimensions of Sub-Picosecond Electron Bunches with the 3-Phase Method}\textquotedblright, % in \emph{Proc. IPAC2017}, pp. 139--141, % in \emph{Proc. IPAC2017}, Copenhagen, Denmark, May 2017, paper MOPAB028, pp. 139--141, in \emph{Proc. 8th Int. Particle Accelerator Conf. (IPAC'17)}, Copenhagen, Denmark, May 2017, paper MOPAB028, pp. 139--141, % ISBN: 978-3-95450-182-3, \url{http://jacow.org/ipac2017/papers/mopab028.pdf}, \url{https://doi.org/10.18429/JACoW-IPAC2017-MOPAB028}, 2017.