 
The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{niedermayer:ipac2021-mopab319}
\bibitem{niedermayer:ipac2021-mopab319}
   P.J. Niedermayer, B. Breitkreutz, C. Böhme, V. Kamerdzhiev, and A. Lehrach,
   \textquotedblleft{Development of a Fast Betatron Tune and Chromaticity Measurement System for COSY}\textquotedblright,
% --- abbreviated form (published paper) - JACoW template Feb 2018 ---
   in \emph{Proc. IPAC'21}, Campinas, SP, Brazil, May 2021, pp. 983--985.
   \url{doi:10.18429/JACoW-IPAC2021-MOPAB319}
% --- additional material -ISSN/ISBN--
%  ISBN: 978-3-95450-214-1, ISSN: 2673-5490