The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
A.A. Sulimov, "HOM Coupler Notch Filter Tuning for the European XFEL Cavities", in Proc. 17th International Conference on RF Superconductivity, Whistler, BC, Canada, 13-18, 2015, paper THPB067, pp. 1274-1276, ISBN: 978-3-95450-178-6, doi:10.18429/JACoW-SRF2015-THPB067, http://srf2015.vrws.de/papers/thpb067.pdf, 2015.