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%\cite{vonhahn:ipac2021-moxc03}
\bibitem{vonhahn:ipac2021-moxc03}
R. von Hahn,
\textquotedblleft{The Interstellar Space in an Electrostatic Cryogenic Storage Ring}\textquotedblright,
% --- abbreviated form (UNpublished paper) - JACoW template Feb 2018 ---
presented at IPAC'21, Campinas, SP, Brazil, May 2021, paper MOXC03, unpublished.