The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Sakai:SRF2015-TUPB021}
\bibitem{Sakai:SRF2015-TUPB021}
H.~Sakai, M.~Egi, K.~Enami, T.~Furuya, S.~Michizono, T.~Miura, \emph{et al.},
% H. Sakai \emph{et al.},
\textquotedblleft{Measurement of the Cavity Performances of Compact ERL Main Linac Cryomodule During Beam Operation}\textquotedblright,
% in \emph{Proc. SRF2015}, TUPB021, pp. 592--596,
% in \emph{Proc. SRF2015}, Whistler, BC, Canada, 13-18, 2015, paper TUPB021, pp. 592--596,
in \emph{Proc. 17th International Conference on RF Superconductivity (SRF2015)},
Whistler, BC, Canada, 13-18, 2015, paper TUPB021, pp. 592--596,
ISBN: 978-3-95450-178-6,
\url{http://srf2015.vrws.de/papers/tupb021.pdf},
\url{doi:10.18429/JACoW-SRF2015-TUPB021}, 2015.