 
The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Nissen:IPAC2019-WEPTS081}
\bibitem{Nissen:IPAC2019-WEPTS081}
   E.A. Nissen and D. Schulte,
   \textquotedblleft{An Analytic Approach to Emittance Growth from the Beam-Beam Effect with Applications to the LHeC}\textquotedblright,
% --- abbreviated form (published paper) - JACoW template Feb 2018 ---
   in \emph{Proc. IPAC'19}, Melbourne, Australia, May 2019, pp. 3307--3310,
   \url{doi:10.18429/JACoW-IPAC2019-WEPTS081}
% --- complete form (published paper) - JACoW template Feb 2018 ---
%  in \emph{Proc. 10th International Particle Accelerator Conference (IPAC'19)}, Melbourne, Australia, May 2019,
%  pp. 3307--3310. \url{doi:10.18429/JACoW-IPAC2019-WEPTS081}
% --- additional material ---
%  ISBN: 978-3-95450-208-0, \url{http://jacow.org/ipac2019/papers/wepts081.pdf}