The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{nie:ipac2021-wepab397}
\bibitem{nie:ipac2021-wepab397}
X.J. Nie, J.X. Chen, H.Y. He, L. Kang, L. Liu, R.H. Liu, \emph{et al.},
% X.J. Nie, J.X. Chen, H.Y. He, L. Kang, L. Liu, R.H. Liu, C.J. Ning, A.X. Wang, G.Y. Wang, J.B. Yu, Y.J. Yu, J.S. Zhang, and D.H. Zhu,
% X.J. Nie \emph{et al.},
\textquotedblleft{Design of the Two-Layer Girder for Accelerating Tube}\textquotedblright,
% --- abbreviated form (published paper) - JACoW template Feb 2018 ---
in \emph{Proc. IPAC'21}, Campinas, SP, Brazil, May 2021, pp. 3636--3637.
\url{doi:10.18429/JACoW-IPAC2021-WEPAB397}
% --- additional material -ISSN/ISBN--
% ISBN: 978-3-95450-214-1, ISSN: 2673-5490