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