The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
C.S. HopperH. Park, "High-Velocity Spoke Cavities", in Proc. 17th International Conference on RF Superconductivity, Whistler, BC, Canada, 13-18, 2015, paper WEA2A01, pp. 943-947, ISBN: 978-3-95450-178-6, doi:10.18429/JACoW-SRF2015-WEA2A01, http://srf2015.vrws.de/papers/wea2a01.pdf, 2015.