The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{abliz:ipac2021-thpab050} \bibitem{abliz:ipac2021-thpab050} M. Abliz, M. Borland, J.H. Grimmer, J.S. Kerby, M. Ramanathan, and A. Xiao, \textquotedblleft{Compact Hybrid Planar Permanent Magnet Undulator Design for the APS Upgrade}\textquotedblright, % --- abbreviated form (published paper) - JACoW template Feb 2018 --- in \emph{Proc. IPAC'21}, Campinas, SP, Brazil, May 2021, pp. 3859--3861. \url{doi:10.18429/JACoW-IPAC2021-THPAB050} % --- additional material -ISSN/ISBN-- % ISBN: 978-3-95450-214-1, ISSN: 2673-5490