The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{liu:ibic2021-tupp02}
\bibitem{liu:ibic2021-tupp02}
A. Liu, J.R. Callahan, and J.H. Shao,
\textquotedblleft{The Multi-Purpose Iris Diaphragm E-Beam Apparatus Series - Halo Detector}\textquotedblright,
% --- abbreviated form (UNpublished paper) - JACoW template Feb 2018 ---
presented at IBIC'21, Pohang, Rep. of Korea, May 2021, paper TUPP02, unpublished.