The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{yuan:cool2019-tups09} \bibitem{yuan:cool2019-tups09} Y.J. Yuan and P. Li, \textquotedblleft{Electron Cooler Introduced Perturbations on Ion Beam}\textquotedblright, % --- abbreviated form (published paper) - JACoW template Feb 2018 --- in \emph{Proc. COOL'19}, Novosibirsk, Russia, Sep. 2019, pp. 99--101, \url{doi:10.18429/JACoW-COOL2019-TUPS09} % --- additional material --- % ISBN: 978-3-95450-218-9, ISSN: 2226-0374