The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Vrielink:IPAC2017-WEPIK111} \bibitem{Vrielink:IPAC2017-WEPIK111} A.R. Vrielink, M.H. Nasr, and S.G. Tantawi, \textquotedblleft{Derivation of a Finite Element Formulation From a Lagrangian for the Electromagnetic Potentials}\textquotedblright, % in \emph{Proc. IPAC2017}, pp. 3208--3210, % in \emph{Proc. IPAC2017}, Copenhagen, Denmark, May 2017, paper WEPIK111, pp. 3208--3210, in \emph{Proc. 8th Int. Particle Accelerator Conf. (IPAC'17)}, Copenhagen, Denmark, May 2017, paper WEPIK111, pp. 3208--3210, % ISBN: 978-3-95450-182-3, \url{http://jacow.org/ipac2017/papers/wepik111.pdf}, \url{https://doi.org/10.18429/JACoW-IPAC2017-WEPIK111}, 2017.