The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
J. Liu et al., “Field Quality from Tolerance Stack Up in R&D Quadrupoles for the Advanced Photon Source Upgrade”, in Proc. North American Particle Accelerator Conf. (NAPAC'16), Chicago, IL, USA, Oct. 2016, paper WEPOB09, pp. 904-906, ISBN: 978-3-95450-180-9, https://doi.org/10.18429/JACoW-NAPAC2016-WEPOB09, https://jacow.org/napac2016/papers/wepob09.pdf, 2017.