The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Ondreka:IPAC2017-TUPVA059}
\bibitem{Ondreka:IPAC2017-TUPVA059}
D. Ondreka, P. Apse-Apsitis, K. Schulte, and P.J. Spiller,
\textquotedblleft{Overcoming the Space Charge Limit: Development of an Electron Lens for SIS18}\textquotedblright,
% in \emph{Proc. IPAC2017}, pp. 2211--2213,
% in \emph{Proc. IPAC2017}, Copenhagen, Denmark, May 2017, paper TUPVA059, pp. 2211--2213,
in \emph{Proc. 8th Int. Particle Accelerator Conf. (IPAC'17)},
Copenhagen, Denmark, May 2017, paper TUPVA059, pp. 2211--2213,
% ISBN: 978-3-95450-182-3,
\url{http://jacow.org/ipac2017/papers/tupva059.pdf},
\url{https://doi.org/10.18429/JACoW-IPAC2017-TUPVA059}, 2017.