The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{konomi:erl2019-wecowbs01} \bibitem{konomi:erl2019-wecowbs01} T. Konomi, \textquotedblleft{Vertical Test Results and Preparation for Horizontal Test of the KEK SRF Gun \#2}\textquotedblright, % --- abbreviated form (UNpublished paper) - JACoW template Feb 2018 --- presented at ERL'19, Berlin, Germany, Sep. 2019, paper WECOWBS01, unpublished.