The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
M.P. Kelly, A. Barcikowski, Z.A. Conway, D. Horan, M. Kedzie, S.H. Kim, \emph{et al.},
"20 kW CW Power Couplers for the APS-U Harmonic Cavity",
in Proc. 17th International Conference on RF Superconductivity, Whistler, BC, Canada, 13-18, 2015, paper THPB088, pp. 1346-1348,
ISBN: 978-3-95450-178-6,
doi:10.18429/JACoW-SRF2015-THPB088,
http://srf2015.vrws.de/papers/thpb088.pdf, 2015.