The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Neveu:IPAC2017-THPAB155} \bibitem{Neveu:IPAC2017-THPAB155} N.R. Neveu, J.M. Larson, J.G. Power, and L.K. Spentzouris, \textquotedblleft{Photoinjector Optimization Using a Derivative-Free, Model-Based Trust-Region Algorithm for the Argonne Wakefield Accelerator}\textquotedblright, % in \emph{Proc. IPAC2017}, pp. 4100--4103, % in \emph{Proc. IPAC2017}, Copenhagen, Denmark, May 2017, paper THPAB155, pp. 4100--4103, in \emph{Proc. 8th Int. Particle Accelerator Conf. (IPAC'17)}, Copenhagen, Denmark, May 2017, paper THPAB155, pp. 4100--4103, % ISBN: 978-3-95450-182-3, \url{http://jacow.org/ipac2017/papers/thpab155.pdf}, \url{https://doi.org/10.18429/JACoW-IPAC2017-THPAB155}, 2017.