The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
P. Pierini, M. Bertucci, A. Bosotti, J.F. Chen, A. Gresele, C.G. Maiano, \emph{et al.},
"Fabrication of the 3.9 GHz SRF Structures for the European XFEL",
in Proc. 17th International Conference on RF Superconductivity, Whistler, BC, Canada, 13-18, 2015, paper THPB035, pp. 1162-1165,
ISBN: 978-3-95450-178-6,
doi:10.18429/JACoW-SRF2015-THPB035,
http://srf2015.vrws.de/papers/thpb035.pdf, 2015.