The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
W. Xu et al., “Ridge Waveguide HOM Damping Scheme for High Current SRF Cavity”, in Proc. 7th Int. Particle Accelerator Conf. (IPAC'16), Busan, Korea, May 2016, paper WEPMR042, pp. 2367-2369, ISBN: 978-3-95450-147-2, doi:10.18429/JACoW-IPAC2016-WEPMR042, http://jacow.org/ipac2016/papers/wepmr042.pdf, 2016.