The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
D. Trbojevic, S.J. Brooks, W. Lou, B. Parker, and N. Tsoupas, “Permanent Halbach Magnet Proton and Superconducting Carbon Cancer Therapy Gantries”, in Proc. 8th Int. Particle Accelerator Conf. (IPAC'17), Copenhagen, Denmark, May 2017, paper THPVA094, pp. 4679-4682, ISBN: 978-3-95450-182-3, https://doi.org/10.18429/JACoW-IPAC2017-THPVA094, http://jacow.org/ipac2017/papers/thpva094.pdf, 2017.