The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
M. Checchin, A. Grassellino, M. Martinello, A. Romanenko, and J. Zasadzinski, "Mean Free Path Dependence of the Trapped Flux Surface Resistance", in Proc. 17th International Conference on RF Superconductivity, Whistler, BC, Canada, 13-18, 2015, paper MOPB020, pp. 129-134, ISBN: 978-3-95450-178-6, doi:10.18429/JACoW-SRF2015-MOPB020, http://srf2015.vrws.de/papers/mopb020.pdf, 2015.