The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
T. Nagata et al., “Development of High Purity Niobium Components and Cavities for SRF Accelerator”, in Proc. 18th Int. Conf. on RF Superconductivity (SRF'17), Lanzhou, China, July 2017, paper THPB034, pp. 814-816, ISBN: 978-3-95450-191-5, https://doi.org/10.18429/JACoW-SRF2017-THPB034, 2018.