The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{sakai:erl2019-tucoybs01} \bibitem{sakai:erl2019-tucoybs01} H. Sakai, T. Furuya, E. Kako, T. Konomi, T. Miura, F. Qiu, and \emph{et al.}, % H. Sakai, T. Furuya, E. Kako, T. Konomi, T. Miura, F. Qiu, and K. Umemori, % H. Sakai \emph{et al.}, \textquotedblleft{KEK ERL SRF Operation Experience}\textquotedblright, % --- abbreviated form (UNpublished paper) - JACoW template Feb 2018 --- presented at ERL'19, Berlin, Germany, Sep. 2019, paper TUCOYBS01, unpublished.