The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Kuchler:ECRIS2018-TUP23} \bibitem{Kuchler:ECRIS2018-TUP23} D. Küchler, M. O'Neil, and V. Toivanen, \textquotedblleft{Operation of the GTS-LHC ECR Ion Source in Afterglow With Varying Klystron Frequency}\textquotedblright, % --- abbreviated form (published paper) - JACoW template Feb 2018 --- in \emph{Proc. ECRIS'18}, Catania, Italy, Sep 2018, pp. 139--143. \url{doi:10.18429/JACoW-ECRIS2018-TUP23} % --- complete form (published paper) - JACoW template Feb 2018 --- % in \emph{Proc. 23rd International Workshop on ECR Ion Sources (ECRIS'18)}, Catania, Italy, Sep 2018, % pp. 139--143. \url{doi:10.18429/JACoW-ECRIS2018-TUP23} % --- additional material --- % ISBN: 978-3-95450-196-0, \url{http://jacow.org/ecris2018/papers/tup23.pdf}