The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Major:IPAC2017-MOPVA057} \bibitem{Major:IPAC2017-MOPVA057} M. Major, L. Alff, M. Arnold, J. Conrad, S. Flege, R. Grewe, \emph{et al.}, % M. Major, L. Alff, M. Arnold, J. Conrad, S. Flege, R. Grewe, F. Hug, and N. Pietralla, % M. Major \emph{et al.}, \textquotedblleft{Structural Investigations of Nitrogen-Doped Niobium for Superconducting RF Cavities}\textquotedblright, % in \emph{Proc. IPAC2017}, pp. 996--998, % in \emph{Proc. IPAC2017}, Copenhagen, Denmark, May 2017, paper MOPVA057, pp. 996--998, in \emph{Proc. 8th Int. Particle Accelerator Conf. (IPAC'17)}, Copenhagen, Denmark, May 2017, paper MOPVA057, pp. 996--998, % ISBN: 978-3-95450-182-3, \url{http://jacow.org/ipac2017/papers/mopva057.pdf}, \url{https://doi.org/10.18429/JACoW-IPAC2017-MOPVA057}, 2017.