The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
P.N. Koufalis et al., “Impurity Doping of Superconducting Radio Frequency Cavities”, in Proc. 7th Int. Particle Accelerator Conf. (IPAC'16), Busan, Korea, May 2016, paper THOBB02, pp. 3195-3197, ISBN: 978-3-95450-147-2, doi:10.18429/JACoW-IPAC2016-THOBB02, http://jacow.org/ipac2016/papers/thobb02.pdf, 2016.