The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Kostin:SRF2015-THPB056}
\bibitem{Kostin:SRF2015-THPB056}
D.~Kostin, C.~Albrecht, M.~Barlak, A.~Brinkmann, Th.~Buettner, J.~Eschke, \emph{et al.},
% D. Kostin \emph{et al.},
\textquotedblleft{SRF Gun Cavity R&D at DESY}\textquotedblright,
% in \emph{Proc. SRF2015}, THPB056, pp. 1231--1234,
% in \emph{Proc. SRF2015}, Whistler, BC, Canada, 13-18, 2015, paper THPB056, pp. 1231--1234,
in \emph{Proc. 17th International Conference on RF Superconductivity (SRF2015)},
Whistler, BC, Canada, 13-18, 2015, paper THPB056, pp. 1231--1234,
ISBN: 978-3-95450-178-6,
\url{http://srf2015.vrws.de/papers/thpb056.pdf},
\url{doi:10.18429/JACoW-SRF2015-THPB056}, 2015.