The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Stursa:Cyclotrons2016-MOP02} \bibitem{Stursa:Cyclotrons2016-MOP02} J. Stursa, M. Cihak, M. Gotz, and V. Zach, \textquotedblleft{Physical Design of External Two-Stage Beam Chopping System on the TR 24 Cyclotron}\textquotedblright, % in \emph{Proc. Cyclotrons2016}, pp. 45--48, % in \emph{Proc. Cyclotrons2016}, Zurich, Switzerland, Sep. 2016, paper MOP02, pp. 45--48, in \emph{Proc. 21st Int. Conf. on Cyclotrons and Their Applications (Cyclotrons'16)}, Zurich, Switzerland, Sep. 2016, paper MOP02, pp. 45--48, % ISBN: 978-3-95450-167-0, \url{http://jacow.org/cyclotrons2016/papers/mop02.pdf}, \url{doi:10.18429/JACoW-Cyclotrons2016-MOP02}, 2017.