The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Vostrikov:SRF2015-MOPB027} \bibitem{Vostrikov:SRF2015-MOPB027} A.~Vostrikov, A.~Grassellino, L.~Horyn, Y.K.~Kim, T.~Murat, A.~Romanenko, and A.~Vostrikov, % A. Vostrikov \emph{et al.}, \textquotedblleft{Modifications of Superconducting Properties of Niobium Caused by Nitrogen Doping of Ultra-High Quality Factor Cavities}\textquotedblright, % in \emph{Proc. SRF2015}, MOPB027, pp. 144--148, % in \emph{Proc. SRF2015}, Whistler, BC, Canada, 13-18, 2015, paper MOPB027, pp. 144--148, in \emph{Proc. 17th International Conference on RF Superconductivity (SRF2015)}, Whistler, BC, Canada, 13-18, 2015, paper MOPB027, pp. 144--148, ISBN: 978-3-95450-178-6, \url{http://srf2015.vrws.de/papers/mopb027.pdf}, \url{doi:10.18429/JACoW-SRF2015-MOPB027}, 2015.