The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{pannek:ipac2021-frxa06} \bibitem{pannek:ipac2021-frxa06} F. Pannek, S. Ackermann, E. Allaria, W. Hillert, P. Niknejadi, G. Paraskaki, \emph{et al.}, % F. Pannek, S. Ackermann, E. Allaria, W. Hillert, P. Niknejadi, G. Paraskaki, M.A. Pop, D. Samoilenko, and L. Schaper, % F. Pannek \emph{et al.}, \textquotedblleft{Mitigation of Beam Instabilities in the Echo-Enabled Harmonic Generation Beamline for FLASH²⁰²⁰⁺}\textquotedblright, % --- abbreviated form (published paper) - JACoW template Feb 2018 --- in \emph{Proc. IPAC'21}, Campinas, SP, Brazil, May 2021, pp. 4514--4517. \url{doi:10.18429/JACoW-IPAC2021-FRXA06} % --- additional material -ISSN/ISBN-- % ISBN: 978-3-95450-214-1, ISSN: 2673-5490