The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Castro:ECRIS2018-TUP12}
\bibitem{Castro:ECRIS2018-TUP12}
G. Castro, L. Celona, S. Gammino, O. Leonardi, D. Mascali, M. Mazzaglia, \emph{et al.},
% G. Castro, L. Celona, S. Gammino, O. Leonardi, D. Mascali, M. Mazzaglia, A. Miraglia, E. Naselli, L. Neri, R. Reitano, and G. Torrisi,
% G. Castro \emph{et al.},
\textquotedblleft{Results of the Optical Emission Spectroscopy diagnostics of the ESS proton source}\textquotedblright,
% --- abbreviated form (published paper) - JACoW template Feb 2018 ---
in \emph{Proc. ECRIS'18}, Catania, Italy, Sep 2018, pp. 107--110.
\url{doi:10.18429/JACoW-ECRIS2018-TUP12}
% --- 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. 107--110. \url{doi:10.18429/JACoW-ECRIS2018-TUP12}
% --- additional material ---
% ISBN: 978-3-95450-196-0, \url{http://jacow.org/ecris2018/papers/tup12.pdf}