The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
B.K. Stillwell et al., “Research and Development on the Storage Ring Vacuum System for the APS Upgrade Project”, in Proc. North American Particle Accelerator Conf. (NAPAC'16), Chicago, IL, USA, Oct. 2016, paper MOPOB11, pp. 92-95, ISBN: 978-3-95450-180-9, https://doi.org/10.18429/JACoW-NAPAC2016-MOPOB11, https://jacow.org/napac2016/papers/mopob11.pdf, 2017.