The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{sawamura:erl2019-thcoxbs02} \bibitem{sawamura:erl2019-thcoxbs02} M. Sawamura, M. Egi, K. Enami, T. Furuya, R. Hajima, H. Sakai, and \emph{et al.}, % M. Sawamura, M. Egi, K. Enami, T. Furuya, R. Hajima, H. Sakai, and K. Umemori, % M. Sawamura \emph{et al.}, \textquotedblleft{Development of HOM Coupler with C-Shaped Waveguide for ERL Operation}\textquotedblright, % --- abbreviated form (published paper) - JACoW template Feb 2018 --- in \emph{Proc. ERL'19}, Berlin, Germany, Sep. 2019, pp. 138--141. \url{doi:10.18429/JACoW-ERL2019-THCOXBS02} % --- additional material -ISSN/ISBN-- % ISBN: 978-3-95450-217-2