The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Koufalis:SRF2015-MOPB004} \bibitem{Koufalis:SRF2015-MOPB004} P.N.~Koufalis, D.~Gonnella, M.~Liepe, J.T.~Maniscalco, and I.~Packtor, \textquotedblleft{Understanding the Field Dependence of the Surface Resistance in Nitrogen-Doped Cavities}\textquotedblright, % in \emph{Proc. SRF2015}, MOPB004, pp. 74--76, % in \emph{Proc. SRF2015}, Whistler, BC, Canada, 13-18, 2015, paper MOPB004, pp. 74--76, in \emph{Proc. 17th International Conference on RF Superconductivity (SRF2015)}, Whistler, BC, Canada, 13-18, 2015, paper MOPB004, pp. 74--76, ISBN: 978-3-95450-178-6, \url{http://srf2015.vrws.de/papers/mopb004.pdf}, \url{doi:10.18429/JACoW-SRF2015-MOPB004}, 2015.