The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{lynam:napac2019-tuplh10} \bibitem{lynam:napac2019-tuplh10} S.M. Lynam, R.B. Agustsson, I.I. Gadjev, F.H. O'Shea, and A.Yu. Smirnov, \textquotedblleft{Fabrication Progress of a Superconducting Helical Undulator with Superimposed Focusing Gradient for High Efficiency Tapered X-Ray FELs}\textquotedblright, % --- abbreviated form (published paper) - JACoW template Feb 2018 --- in \emph{Proc. NAPAC'19}, Lansing, MI, USA, Sep. 2019, pp. 509--511. \url{doi:10.18429/JACoW-NAPAC2019-TUPLH10} % --- additional material -ISSN/ISBN-- % ISBN: 978-3-95450-223-3, ISSN: 2673-7000