The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
R. Calaga, O. Brunner, A.C. Butterworth, and E. Jensen, "SRF for Future Circular Colliders", in Proc. 17th International Conference on RF Superconductivity, Whistler, BC, Canada, 13-18, 2015, paper FRBA04, pp. 1474-1480, ISBN: 978-3-95450-178-6, doi:10.18429/JACoW-SRF2015-FRBA04, http://srf2015.vrws.de/papers/frba04.pdf, 2015.