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., “RF and Mechanical Design of 647 MHz 5-Cell BNL4 Cavity for eRHIC ERL”, in Proc. 7th Int. Particle Accelerator Conf. (IPAC'16), Busan, Korea, May 2016, paper WEPMR041, pp. 2364-2366, ISBN: 978-3-95450-147-2, doi:10.18429/JACoW-IPAC2016-WEPMR041, http://jacow.org/ipac2016/papers/wepmr041.pdf, 2016.