The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Lagotzky:SRF2015-MOPB059} \bibitem{Lagotzky:SRF2015-MOPB059} S.~Lagotzky, G.~Müller, A.~Navitski, A.L.~Prudnikava, and Y.~Tamashevich, \textquotedblleft{Field Emission Investigation of Centrifugal-Barrel-Polished Nb Samples}\textquotedblright, % in \emph{Proc. SRF2015}, MOPB059, pp. 237--241, % in \emph{Proc. SRF2015}, Whistler, BC, Canada, 13-18, 2015, paper MOPB059, pp. 237--241, in \emph{Proc. 17th International Conference on RF Superconductivity (SRF2015)}, Whistler, BC, Canada, 13-18, 2015, paper MOPB059, pp. 237--241, ISBN: 978-3-95450-178-6, \url{http://srf2015.vrws.de/papers/mopb059.pdf}, \url{doi:10.18429/JACoW-SRF2015-MOPB059}, 2015.