The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
B. P. Xiao, "Overview of Recent HOM Coupler Development", in Proc. 17th International Conference on RF Superconductivity, Whistler, BC, Canada, 13-18, 2015, paper THBA04, pp. 1031-1035, ISBN: 978-3-95450-178-6, doi:10.18429/JACoW-SRF2015-THBA04, http://srf2015.vrws.de/papers/thba04.pdf, 2015.