The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{halavanau:ipac2021-mopab100} \bibitem{halavanau:ipac2021-mopab100} A. Halavanau, R. Alonso-Mori, A. Aquila, U. Bergmann, D. DePonte, F.-J. Decker, \emph{et al.}, % A. Halavanau, R. Alonso-Mori, A. Aquila, U. Bergmann, D. DePonte, F.-J. Decker, M. Doyle, F. Fuller, M. Liang, A.A. Lutman, and C. Pellegrini, % A. Halavanau \emph{et al.}, \textquotedblleft{Progress Report on Population Inversion-Based X-Ray Laser Oscillator}\textquotedblright, % --- abbreviated form (published paper) - JACoW template Feb 2018 --- in \emph{Proc. IPAC'21}, Campinas, SP, Brazil, May 2021, pp. 373--375. \url{doi:10.18429/JACoW-IPAC2021-MOPAB100} % --- additional material -ISSN/ISBN-- % ISBN: 978-3-95450-214-1, ISSN: 2673-5490