The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Kubo:SRF2017-TUXBA04} \bibitem{Kubo:SRF2017-TUXBA04} T. Kubo, A.V. Gurevich, \textquotedblleft{A Unified Theory of Surface Resistance and the Residual Resistance of SRF Cavities at Low Temperatures}\textquotedblright, presented at SRF2017, Lanzhou, China, July 2017, paper TUXBA04, unpublished. % presented at the 18th Int. Conf. on RF Superconductivity (SRF'17), Lanzhou, China, July 2017, paper TUXBA04, unpublished.