The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{ha:ipac2020-thvir11}
\bibitem{ha:ipac2020-thvir11}
T. Ha, HG. Kim, S.H. Kim, C.D. Park, H.K. Park, and S. Shin,
\textquotedblleft{Introduction to 3D Printing Techniques for Accelerator Vacuum Systems}\textquotedblright,
% --- abbreviated form (UNpublished paper) - JACoW template Feb 2018 ---
presented at IPAC'20, Caen, France, May 2020, paper THVIR11, unpublished.