The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Maclean:IPAC2017-WEPIK091} \bibitem{Maclean:IPAC2017-WEPIK091} E.H. Maclean, T. Persson, and R. Tomás, \textquotedblleft{Amplitude Dependent Closest Tune Approach Generated by Normal and Skew Octupoles}\textquotedblright, % in \emph{Proc. IPAC2017}, pp. 3147--3150, % in \emph{Proc. IPAC2017}, Copenhagen, Denmark, May 2017, paper WEPIK091, pp. 3147--3150, in \emph{Proc. 8th Int. Particle Accelerator Conf. (IPAC'17)}, Copenhagen, Denmark, May 2017, paper WEPIK091, pp. 3147--3150, % ISBN: 978-3-95450-182-3, \url{http://jacow.org/ipac2017/papers/wepik091.pdf}, \url{https://doi.org/10.18429/JACoW-IPAC2017-WEPIK091}, 2017.