The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
M. WenskatL. Steder, "Characterization of Optical Surface Properties of 1.3 GHz SRF Cavities for the European XFEL", in Proc. 17th International Conference on RF Superconductivity, Whistler, BC, Canada, 13-18, 2015, paper TUPB085, pp. 795-798, ISBN: 978-3-95450-178-6, doi:10.18429/JACoW-SRF2015-TUPB085, http://srf2015.vrws.de/papers/tupb085.pdf, 2015.