The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Ziemann:IPAC2017-WEPIK086} \bibitem{Ziemann:IPAC2017-WEPIK086} V.G. Ziemann, A.K. Bhattacharyya, M. Holz, and J. Ögren, \textquotedblleft{Wave Propagation in a Fractal Wave Guide}\textquotedblright, % in \emph{Proc. IPAC2017}, pp. 3128--3130, % in \emph{Proc. IPAC2017}, Copenhagen, Denmark, May 2017, paper WEPIK086, pp. 3128--3130, in \emph{Proc. 8th Int. Particle Accelerator Conf. (IPAC'17)}, Copenhagen, Denmark, May 2017, paper WEPIK086, pp. 3128--3130, % ISBN: 978-3-95450-182-3, \url{http://jacow.org/ipac2017/papers/wepik086.pdf}, \url{https://doi.org/10.18429/JACoW-IPAC2017-WEPIK086}, 2017.